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$\int \cos^{6} (x) d x$

Langkah 1

Sederhanakan dengan memfaktorkan.

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Langkah 1.1

Faktorkan $2$ dari $6$ .

$\int {\cos (x)}^{2 (3)} d x$

Langkah 1.2

Tulis kembali ${\cos (x)}^{2 (3)}$ sebagai eksponensiasi.

$\int {(\cos^{2} (x))}^{3} d x$

Langkah 2

Gunakan rumus setengah sudut untuk menuliskan kembali $\cos^{2} (x)$ sebagai $\frac{1 + \cos (2 x)}{2}$ .

$\int {(\frac{1 + \cos (2 x)}{2})}^{3} d x$

Langkah 3

Biarkan $u_{1} = 2 x$ . Kemudian $d u_{1} = 2 d x$ sehingga $\frac{1}{2} d u_{1} = d x$ . Tulis kembali menggunakan $u_{1}$ dan $d$ $u_{1}$ .

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Langkah 3.1

Biarkan $u_{1} = 2 x$ . Tentukan $\frac{d u_{1}}{d x}$ .

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Langkah 3.1.1

Diferensialkan $2 x$ .

$\frac{d}{d x} [2 x]$

Langkah 3.1.2

Karena $2$ konstan terhadap $x$ , turunan dari $2 x$ terhadap $x$ adalah $2 \frac{d}{d x} [x]$ .

$2 \frac{d}{d x} [x]$

Langkah 3.1.3

Diferensialkan menggunakan Kaidah Pangkat yang menyatakan bahwa $\frac{d}{d x} [x^{n}]$ adalah $n x^{n - 1}$ di mana $n = 1$ .

$2 \cdot 1$

Langkah 3.1.4

Kalikan $2$ dengan $1$ .

$2$

Langkah 3.2

Tulis kembali soalnya menggunakan $u_{1}$ dan $d u_{1}$ .

$\int {(\frac{1 + \cos (u_{1})}{2})}^{3} \frac{1}{2} d u_{1}$

Langkah 4

Karena $\frac{1}{2}$ konstan terhadap $u_{1}$ , pindahkan $\frac{1}{2}$ keluar dari integral.

$\frac{1}{2} \int {(\frac{1 + \cos (u_{1})}{2})}^{3} d u_{1}$

Langkah 5

Sederhanakan dengan mengalikan semuanya.

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Langkah 5.1

Tulis kembali $\frac{1 + \cos (u_{1})}{2}$ sebagai hasil kali.

$\frac{1}{2} \int {(\frac{1}{2} \cdot (1 + \cos (u_{1})))}^{3} d u_{1}$

Langkah 5.2

Perluas ${(\frac{1}{2} \cdot (1 + \cos (u_{1})))}^{3}$ .

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Langkah 5.2.1

Tulis kembali eksponensiasinya sebagai hasil kali.

$\frac{1}{2} \int \frac{1}{2} \cdot (1 + \cos (u_{1})) {(\frac{1}{2} \cdot (1 + \cos (u_{1})))}^{2} d u_{1}$

Langkah 5.2.2

Tulis kembali eksponensiasinya sebagai hasil kali.

$\frac{1}{2} \int \frac{1}{2} \cdot (1 + \cos (u_{1})) (\frac{1}{2} \cdot (1 + \cos (u_{1})) (\frac{1}{2} \cdot (1 + \cos (u_{1})))) d u_{1}$

Langkah 5.2.3

Terapkan sifat distributif.

$\frac{1}{2} \int (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) (\frac{1}{2} \cdot (1 + \cos (u_{1})) (\frac{1}{2} \cdot (1 + \cos (u_{1})))) d u_{1}$

Langkah 5.2.4

Terapkan sifat distributif.

$\frac{1}{2} \int (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) ((\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) (\frac{1}{2} \cdot (1 + \cos (u_{1})))) d u_{1}$

Langkah 5.2.5

Terapkan sifat distributif.

$\frac{1}{2} \int (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) ((\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.6

Terapkan sifat distributif.

$\frac{1}{2} \int (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.7

Terapkan sifat distributif.

$\frac{1}{2} \int (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1})) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 + \frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.8

Terapkan sifat distributif.

Langkah 5.2.9

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.10

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.11

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.12

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.13

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.14

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.15

Terapkan sifat distributif.

$\frac{1}{2} \int \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.16

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.17

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2} (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.18

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2})) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.19

Pindahkan $\frac{1}{2}$ .

$\frac{1}{2} \int 1 \cdot \frac{1}{2} (1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2}) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.20

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot \frac{1}{2} (1 \cdot 1 \frac{1}{2}) \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.21

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot \frac{1}{2} (1 \cdot 1) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.22

Pindahkan $\frac{1}{2}$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.23

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.24

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.25

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2} \frac{1}{2}) \cdot \cos (u_{1}) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.26

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.27

Pindahkan $\frac{1}{2}$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.28

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.29

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2})) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.30

Pindahkan $\cos (u_{1})$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot 1 \cos (u_{1}) \cdot \frac{1}{2}) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.31

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2}) + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.32

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2} \cos (u_{1})) \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.33

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2}) \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.34

Pindahkan $\frac{1}{2}$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.35

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.36

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2}) \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.37

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1})) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.38

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2} (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.39

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2} (1 \cdot \frac{1}{2})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.40

Pindahkan $\frac{1}{2}$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.41

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot 1 \frac{1}{2}) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.42

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot 1) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.43

Pindahkan $\cos (u_{1})$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot 1 \cdot 1 \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.44

Pindahkan $\frac{1}{2}$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.45

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2} (\frac{1}{2} \cdot \cos (u_{1}))) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.46

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2} \frac{1}{2}) \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.47

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2}) \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.48

Pindahkan $\cos (u_{1})$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + \frac{1}{2} \cdot 1 \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.49

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1)) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.50

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2})) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.51

Pindahkan $\cos (u_{1})$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot 1 \cos (u_{1}) \cdot \frac{1}{2}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.52

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2}) + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.53

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2} \cos (u_{1})) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.54

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot \cos (u_{1}) (1 \cdot \frac{1}{2}) \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.55

Pindahkan $\cos (u_{1})$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + \frac{1}{2} \cdot 1 \cos (u_{1}) \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.56

Susun kembali $\frac{1}{2}$ dan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}))) d u_{1}$

Langkah 5.2.57

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2}) \cdot \cos (u_{1}) d u_{1}$

Langkah 5.2.58

Pindahkan tanda kurung.

$\frac{1}{2} \int 1 \cdot 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cdot \frac{1}{2} + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \frac{1}{2} \cdot \cos (u_{1}) + 1 \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} \cos (u_{1}) \cdot \frac{1}{2} + \frac{1}{2} \cdot \cos (u_{1}) (\frac{1}{2} \cdot \cos (u_{1})) \frac{1}{2} \cdot \cos (u_{1}) d u_{1}$

Langkah 5.2.59

Kalikan $1$ dengan $1$ .

$\frac{1}{2} \int 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.60

Kalikan $1$ dengan $1$ .

$\frac{1}{2} \int 1 (\frac{1}{2}) \frac{1}{2} \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.61

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.62

Kalikan $\frac{1}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{2 \cdot 2} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.63

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{4} \cdot \frac{1}{2} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.64

Kalikan $\frac{1}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{4 \cdot 2} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.65

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.66

Kalikan $1$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + 1 (\frac{1}{2}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.67

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{1}{2} \cdot \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.68

Kalikan $\frac{1}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{1}{2 \cdot 2} \cdot \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.69

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{1}{4} \cdot \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.70

Kalikan $\frac{1}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{1}{4 \cdot 2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.71

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{1}{8} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.72

Gabungkan $\frac{1}{8}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.73

Kalikan $1$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.74

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.75

Kalikan $\frac{1}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{2 \cdot 2} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.76

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{4} \cos (u_{1}) \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.77

Gabungkan $\frac{1}{4}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{4} \cdot \frac{1}{2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.78

Kalikan $\frac{\cos (u_{1})}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{4 \cdot 2} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.79

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + 1 (\frac{1}{2}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.80

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{2} \cdot \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.81

Kalikan $\frac{1}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{2 \cdot 2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.82

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{4} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.83

Gabungkan $\frac{1}{4}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{4} \cdot \frac{1}{2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.84

Kalikan $\frac{\cos (u_{1})}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{4 \cdot 2} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.85

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} \cos (u_{1}) + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.86

Gabungkan $\frac{\cos (u_{1})}{8}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1}) \cos (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.87

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.88

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos^{1} (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.89

Gunakan kaidah pangkat $a^{m} a^{n} = a^{m + n}$ untuk menggabungkan pangkat.

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{{\cos (u_{1})}^{1 + 1}}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.90

Tambahkan $1$ dan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.91

Tambahkan $\frac{\cos (u_{1})}{8}$ dan $\frac{\cos (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{1}{8} + 2 \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.92

Gabungkan $2$ dan $\frac{\cos (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + 1 \cdot 1 \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.93

Kalikan $1$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.94

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.95

Gabungkan $\frac{1}{2}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{2} \cdot \frac{1}{2} \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.96

Kalikan $\frac{\cos (u_{1})}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{2 \cdot 2} \cdot \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.97

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{4} \cdot \frac{1}{2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.98

Kalikan $\frac{\cos (u_{1})}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{4 \cdot 2} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.99

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.100

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.101

Gabungkan $\frac{1}{2}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{2} \cdot \frac{1}{2} \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.102

Kalikan $\frac{\cos (u_{1})}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{2 \cdot 2} \cdot \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.103

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{4} \cdot \frac{1}{2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.104

Kalikan $\frac{\cos (u_{1})}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{4 \cdot 2} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.105

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} \cos (u_{1}) + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.106

Gabungkan $\frac{\cos (u_{1})}{8}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos (u_{1}) \cos (u_{1})}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.107

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos (u_{1})}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.108

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos^{1} (u_{1})}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.109

Gunakan kaidah pangkat $a^{m} a^{n} = a^{m + n}$ untuk menggabungkan pangkat.

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{{\cos (u_{1})}^{1 + 1}}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.110

Tambahkan $1$ dan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + 1 (\frac{1}{2}) \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.111

Kalikan $\frac{1}{2}$ dengan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.112

Gabungkan $\frac{1}{2}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{2} \cdot \frac{1}{2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.113

Kalikan $\frac{\cos (u_{1})}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{2 \cdot 2} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.114

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{4} \cos (u_{1}) \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.115

Gabungkan $\frac{\cos (u_{1})}{4}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1}) \cos (u_{1})}{4} \cdot \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.116

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos (u_{1})}{4} \cdot \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.117

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos^{1} (u_{1})}{4} \cdot \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.118

Gunakan kaidah pangkat $a^{m} a^{n} = a^{m + n}$ untuk menggabungkan pangkat.

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{{\cos (u_{1})}^{1 + 1}}{4} \cdot \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.119

Tambahkan $1$ dan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{4} \cdot \frac{1}{2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.120

Kalikan $\frac{\cos^{2} (u_{1})}{4}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{4 \cdot 2} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.121

Kalikan $4$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.122

Gabungkan $\frac{1}{2}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{2} \cdot \frac{1}{2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.123

Kalikan $\frac{\cos (u_{1})}{2}$ dengan $\frac{1}{2}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{2 \cdot 2} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.124

Kalikan $2$ dengan $2$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{4} \cos (u_{1}) \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.125

Gabungkan $\frac{\cos (u_{1})}{4}$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1}) \cos (u_{1})}{4} \cdot \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.126

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos (u_{1})}{4} \cdot \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.127

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{1} (u_{1}) \cos^{1} (u_{1})}{4} \cdot \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.128

Gunakan kaidah pangkat $a^{m} a^{n} = a^{m + n}$ untuk menggabungkan pangkat.

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{{\cos (u_{1})}^{1 + 1}}{4} \cdot \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.129

Tambahkan $1$ dan $1$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{4} \cdot \frac{1}{2} \cos (u_{1}) d u_{1}$

Langkah 5.2.130

Kalikan $\frac{\cos^{2} (u_{1})}{4}$ dengan $\frac{1}{2}$ .

Langkah 5.2.131

Kalikan $4$ dengan $2$ .

Langkah 5.2.132

Gabungkan $\frac{\cos^{2} (u_{1})}{8}$ dan $\cos (u_{1})$ .

Langkah 5.2.133

Naikkan $\cos (u_{1})$ menjadi pangkat $1$ .

Langkah 5.2.134

Gunakan kaidah pangkat $a^{m} a^{n} = a^{m + n}$ untuk menggabungkan pangkat.

Langkah 5.2.135

Tambahkan $2$ dan $1$ .

Langkah 5.2.136

Tambahkan $\frac{\cos^{2} (u_{1})}{8}$ dan $\frac{\cos^{2} (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + 2 \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} d u_{1}$

Langkah 5.2.137

Gabungkan $2$ dan $\frac{\cos^{2} (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} d u_{1}$

Langkah 5.2.138

Susun kembali $\frac{2 \cos (u_{1})}{8}$ dan $\frac{\cos^{2} (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{1}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} d u_{1}$

Langkah 5.2.139

Susun kembali $\frac{1}{8}$ dan $\frac{\cos^{2} (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{\cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} d u_{1}$

Langkah 5.2.140

Susun kembali $\frac{2 \cos^{2} (u_{1})}{8}$ dan $\frac{\cos^{3} (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{\cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} d u_{1}$

Langkah 5.2.141

Pindahkan $\frac{\cos (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{\cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{\cos (u_{1})}{8} d u_{1}$

Langkah 5.2.142

Pindahkan $\frac{2 \cos (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{\cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{\cos^{3} (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} d u_{1}$

Langkah 5.2.143

Pindahkan $\frac{1}{8}$ .

$\frac{1}{2} \int \frac{\cos^{2} (u_{1})}{8} + \frac{\cos^{3} (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} d u_{1}$

Langkah 5.2.144

Susun kembali $\frac{\cos^{2} (u_{1})}{8}$ dan $\frac{\cos^{3} (u_{1})}{8}$ .

$\frac{1}{2} \int \frac{\cos^{3} (u_{1})}{8} + \frac{\cos^{2} (u_{1})}{8} + \frac{2 \cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} d u_{1}$

Langkah 5.2.145

Gabungkan pembilang dari penyebut persekutuan.

$\frac{1}{2} \int \frac{\cos^{3} (u_{1})}{8} + \frac{\cos^{2} (u_{1}) + 2 \cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} d u_{1}$

Langkah 5.2.146

Tambahkan $\cos^{2} (u_{1})$ dan $2 \cos^{2} (u_{1})$ .

$\frac{1}{2} \int \frac{\cos^{3} (u_{1})}{8} + \frac{3 \cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1})}{8} + \frac{\cos (u_{1})}{8} d u_{1}$

Langkah 5.2.147

Gabungkan pembilang dari penyebut persekutuan.

$\frac{1}{2} \int \frac{\cos^{3} (u_{1})}{8} + \frac{3 \cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{2 \cos (u_{1}) + \cos (u_{1})}{8} d u_{1}$

Langkah 5.2.148

Tambahkan $2 \cos (u_{1})$ dan $\cos (u_{1})$ .

$\frac{1}{2} \int \frac{\cos^{3} (u_{1})}{8} + \frac{3 \cos^{2} (u_{1})}{8} + \frac{1}{8} + \frac{3 \cos (u_{1})}{8} d u_{1}$

Langkah 6

Bagi integral tunggal menjadi beberapa integral.

$\frac{1}{2} (\int \frac{\cos^{3} (u_{1})}{8} d u_{1} + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 7

Karena $\frac{1}{8}$ konstan terhadap $u_{1}$ , pindahkan $\frac{1}{8}$ keluar dari integral.

$\frac{1}{2} (\frac{1}{8} \int \cos^{3} (u_{1}) d u_{1} + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 8

Faktorkan $\cos^{2} (u_{1})$ .

$\frac{1}{2} (\frac{1}{8} \int \cos^{2} (u_{1}) \cos (u_{1}) d u_{1} + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 9

Menggunakan Identitas Pythagoras, tulis kembali $\cos^{2} (u_{1})$ sebagai $1 - \sin^{2} (u_{1})$ .

$\frac{1}{2} (\frac{1}{8} \int (1 - \sin^{2} (u_{1})) \cos (u_{1}) d u_{1} + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 10

Biarkan $u_{2} = \sin (u_{1})$ . Kemudian $d u_{2} = \cos (u_{1}) d u_{1}$ sehingga $\frac{1}{\cos (u_{1})} d u_{2} = d u_{1}$ . Tulis kembali menggunakan $u_{2}$ dan $d$ $u_{2}$ .

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Langkah 10.1

Biarkan $u_{2} = \sin (u_{1})$ . Tentukan $\frac{d u_{2}}{d u_{1}}$ .

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Langkah 10.1.1

Diferensialkan $\sin (u_{1})$ .

$\frac{d}{d u_{1}} [\sin (u_{1})]$

Langkah 10.1.2

Turunan dari $\sin (u_{1})$ terhadap $u_{1}$ adalah $\cos (u_{1})$ .

$\cos (u_{1})$

Langkah 10.2

Tulis kembali soalnya menggunakan $u_{2}$ dan $d u_{2}$ .

$\frac{1}{2} (\frac{1}{8} \int 1 - {u_{2}}^{2} d u_{2} + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 11

Bagi integral tunggal menjadi beberapa integral.

$\frac{1}{2} (\frac{1}{8} (\int d u_{2} + \int - {u_{2}}^{2} d u_{2}) + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 12

Terapkan aturan konstanta.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C + \int - {u_{2}}^{2} d u_{2}) + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 13

Karena $- 1$ konstan terhadap $u_{2}$ , pindahkan $- 1$ keluar dari integral.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - \int {u_{2}}^{2} d u_{2}) + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 14

Menurut Kaidah Pangkat, integral dari ${u_{2}}^{2}$ terhadap $u_{2}$ adalah $\frac{1}{3} {u_{2}}^{3}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{1}{3} {u_{2}}^{3} + C)) + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 15

Gabungkan $\frac{1}{3}$ dan ${u_{2}}^{3}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \int \frac{3 \cos^{2} (u_{1})}{8} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 16

Karena $\frac{3}{8}$ konstan terhadap $u_{1}$ , pindahkan $\frac{3}{8}$ keluar dari integral.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{8} \int \cos^{2} (u_{1}) d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 17

Gunakan rumus setengah sudut untuk menuliskan kembali $\cos^{2} (u_{1})$ sebagai $\frac{1 + \cos (2 u_{1})}{2}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{8} \int \frac{1 + \cos (2 u_{1})}{2} d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 18

Karena $\frac{1}{2}$ konstan terhadap $u_{1}$ , pindahkan $\frac{1}{2}$ keluar dari integral.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{8} (\frac{1}{2} \int 1 + \cos (2 u_{1}) d u_{1}) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 19

Sederhanakan.

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Langkah 19.1

Kalikan $\frac{1}{2}$ dengan $\frac{3}{8}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{2 \cdot 8} \int 1 + \cos (2 u_{1}) d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 19.2

Kalikan $2$ dengan $8$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} \int 1 + \cos (2 u_{1}) d u_{1} + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 20

Bagi integral tunggal menjadi beberapa integral.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (\int d u_{1} + \int \cos (2 u_{1}) d u_{1}) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 21

Terapkan aturan konstanta.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \int \cos (2 u_{1}) d u_{1}) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 22

Biarkan $u_{3} = 2 u_{1}$ . Kemudian $d u_{3} = 2 d u_{1}$ sehingga $\frac{1}{2} d u_{3} = d u_{1}$ . Tulis kembali menggunakan $u_{3}$ dan $d$ $u_{3}$ .

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Langkah 22.1

Biarkan $u_{3} = 2 u_{1}$ . Tentukan $\frac{d u_{3}}{d u_{1}}$ .

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Langkah 22.1.1

Diferensialkan $2 u_{1}$ .

$\frac{d}{d u_{1}} [2 u_{1}]$

Langkah 22.1.2

Karena $2$ konstan terhadap $u_{1}$ , turunan dari $2 u_{1}$ terhadap $u_{1}$ adalah $2 \frac{d}{d u_{1}} [u_{1}]$ .

$2 \frac{d}{d u_{1}} [u_{1}]$

Langkah 22.1.3

Diferensialkan menggunakan Kaidah Pangkat yang menyatakan bahwa $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ adalah $n {u_{1}}^{n - 1}$ di mana $n = 1$ .

$2 \cdot 1$

Langkah 22.1.4

Kalikan $2$ dengan $1$ .

$2$

Langkah 22.2

Tulis kembali soalnya menggunakan $u_{3}$ dan $d u_{3}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \int \cos (u_{3}) \frac{1}{2} d u_{3}) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 23

Gabungkan $\cos (u_{3})$ dan $\frac{1}{2}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \int \frac{\cos (u_{3})}{2} d u_{3}) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 24

Karena $\frac{1}{2}$ konstan terhadap $u_{3}$ , pindahkan $\frac{1}{2}$ keluar dari integral.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \frac{1}{2} \int \cos (u_{3}) d u_{3}) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 25

Integral dari $\cos (u_{3})$ terhadap $u_{3}$ adalah $\sin (u_{3})$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \frac{1}{2} (\sin (u_{3}) + C)) + \int \frac{1}{8} d u_{1} + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 26

Terapkan aturan konstanta.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \frac{1}{2} (\sin (u_{3}) + C)) + \frac{1}{8} u_{1} + C + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 27

Gabungkan $\frac{1}{8}$ dan $u_{1}$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \frac{1}{2} (\sin (u_{3}) + C)) + \frac{u_{1}}{8} + C + \int \frac{3 \cos (u_{1})}{8} d u_{1})$

Langkah 28

Karena $\frac{3}{8}$ konstan terhadap $u_{1}$ , pindahkan $\frac{3}{8}$ keluar dari integral.

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \frac{1}{2} (\sin (u_{3}) + C)) + \frac{u_{1}}{8} + C + \frac{3}{8} \int \cos (u_{1}) d u_{1})$

Langkah 29

Integral dari $\cos (u_{1})$ terhadap $u_{1}$ adalah $\sin (u_{1})$ .

$\frac{1}{2} (\frac{1}{8} (u_{2} + C - (\frac{{u_{2}}^{3}}{3} + C)) + \frac{3}{16} (u_{1} + C + \frac{1}{2} (\sin (u_{3}) + C)) + \frac{u_{1}}{8} + C + \frac{3}{8} (\sin (u_{1}) + C))$

Langkah 30

Sederhanakan.

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Langkah 30.1

Sederhanakan.

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{3 u_{1}}{16} + \frac{3 \sin (u_{3})}{32} + \frac{u_{1}}{8} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 30.2

Sederhanakan.

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Langkah 30.2.1

Untuk menuliskan $\frac{u_{1}}{8}$ sebagai pecahan dengan penyebut umum, kalikan dengan $\frac{2}{2}$ .

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{3 u_{1}}{16} + \frac{u_{1}}{8} \cdot \frac{2}{2} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 30.2.2

Tulis setiap pernyataan menggunakan penyebut umum dari $16$ , dengan mengalikan masing-masing pembilang dan penyebut dengan faktor dari $1$ yang sesuai.

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Langkah 30.2.2.1

Kalikan $\frac{u_{1}}{8}$ dengan $\frac{2}{2}$ .

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{3 u_{1}}{16} + \frac{u_{1} \cdot 2}{8 \cdot 2} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 30.2.2.2

Kalikan $8$ dengan $2$ .

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{3 u_{1}}{16} + \frac{u_{1} \cdot 2}{16} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 30.2.3

Gabungkan pembilang dari penyebut persekutuan.

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{3 u_{1} + u_{1} \cdot 2}{16} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 30.2.4

Pindahkan $2$ ke sebelah kiri $u_{1}$ .

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{3 u_{1} + 2 \cdot u_{1}}{16} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 30.2.5

Tambahkan $3 u_{1}$ dan $2 u_{1}$ .

$\frac{1}{2} (\frac{u_{2}}{8} - \frac{{u_{2}}^{3}}{24} + \frac{5 u_{1}}{16} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 31

Substitusikan kembali untuk setiap variabel substitusi pengintegralan.

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Langkah 31.1

Ganti semua kemunculan $u_{2}$ dengan $\sin (u_{1})$ .

$\frac{1}{2} (\frac{\sin (u_{1})}{8} - \frac{\sin^{3} (u_{1})}{24} + \frac{5 u_{1}}{16} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (u_{1})}{8}) + C$

Langkah 31.2

Ganti semua kemunculan $u_{1}$ dengan $2 x$ .

$\frac{1}{2} (\frac{\sin (2 x)}{8} - \frac{\sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (u_{3})}{32} + \frac{3 \sin (2 x)}{8}) + C$

Langkah 31.3

Ganti semua kemunculan $u_{3}$ dengan $2 u_{1}$ .

$\frac{1}{2} (\frac{\sin (2 x)}{8} - \frac{\sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 u_{1})}{32} + \frac{3 \sin (2 x)}{8}) + C$

Langkah 31.4

Ganti semua kemunculan $u_{1}$ dengan $2 x$ .

$\frac{1}{2} (\frac{\sin (2 x)}{8} - \frac{\sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32} + \frac{3 \sin (2 x)}{8}) + C$

Langkah 32

Sederhanakan.

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Langkah 32.1

Gabungkan pembilang dari penyebut persekutuan.

$\frac{1}{2} (\frac{\sin (2 x) + 3 \sin (2 x)}{8} + \frac{- \sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.2

Tambahkan $\sin (2 x)$ dan $3 \sin (2 x)$ .

$\frac{1}{2} (\frac{4 \sin (2 x)}{8} + \frac{- \sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3

Sederhanakan setiap suku.

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Langkah 32.3.1

Hapus faktor persekutuan dari $4$ dan $8$ .

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Langkah 32.3.1.1

Faktorkan $4$ dari $4 \sin (2 x)$ .

$\frac{1}{2} (\frac{4 (\sin (2 x))}{8} + \frac{- \sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.1.2

Batalkan faktor persekutuan.

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Langkah 32.3.1.2.1

Faktorkan $4$ dari $8$ .

$\frac{1}{2} (\frac{4 \sin (2 x)}{4 \cdot 2} + \frac{- \sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.1.2.2

Batalkan faktor persekutuan.

$\frac{1}{2} (\frac{4 \sin (2 x)}{4 \cdot 2} + \frac{- \sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.1.2.3

Tulis kembali pernyataannya.

$\frac{1}{2} (\frac{\sin (2 x)}{2} + \frac{- \sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.2

Pindahkan tanda negatif di depan pecahan.

$\frac{1}{2} (\frac{\sin (2 x)}{2} - \frac{\sin^{3} (2 x)}{24} + \frac{5 (2 x)}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.3

Hapus faktor persekutuan dari $2$ dan $16$ .

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Langkah 32.3.3.1

Faktorkan $2$ dari $5 (2 x)$ .

$\frac{1}{2} (\frac{\sin (2 x)}{2} - \frac{\sin^{3} (2 x)}{24} + \frac{2 (5 (x))}{16} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.3.2

Batalkan faktor persekutuan.

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Langkah 32.3.3.2.1

Faktorkan $2$ dari $16$ .

$\frac{1}{2} (\frac{\sin (2 x)}{2} - \frac{\sin^{3} (2 x)}{24} + \frac{2 (5 (x))}{2 \cdot 8} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.3.2.2

Batalkan faktor persekutuan.

$\frac{1}{2} (\frac{\sin (2 x)}{2} - \frac{\sin^{3} (2 x)}{24} + \frac{2 (5 (x))}{2 \cdot 8} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.3.2.3

Tulis kembali pernyataannya.

$\frac{1}{2} (\frac{\sin (2 x)}{2} - \frac{\sin^{3} (2 x)}{24} + \frac{5 (x)}{8} + \frac{3 \sin (2 (2 x))}{32}) + C$

Langkah 32.3.4

Kalikan $2$ dengan $2$ .

$\frac{1}{2} (\frac{\sin (2 x)}{2} - \frac{\sin^{3} (2 x)}{24} + \frac{5 x}{8} + \frac{3 \sin (4 x)}{32}) + C$

Langkah 32.4

Terapkan sifat distributif.

$\frac{1}{2} \cdot \frac{\sin (2 x)}{2} + \frac{1}{2} (- \frac{\sin^{3} (2 x)}{24}) + \frac{1}{2} \cdot \frac{5 x}{8} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5

Sederhanakan.

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Langkah 32.5.1

Kalikan $\frac{1}{2} \cdot \frac{\sin (2 x)}{2}$ .

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Langkah 32.5.1.1

Kalikan $\frac{1}{2}$ dengan $\frac{\sin (2 x)}{2}$ .

$\frac{\sin (2 x)}{2 \cdot 2} + \frac{1}{2} (- \frac{\sin^{3} (2 x)}{24}) + \frac{1}{2} \cdot \frac{5 x}{8} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5.1.2

Kalikan $2$ dengan $2$ .

$\frac{\sin (2 x)}{4} + \frac{1}{2} (- \frac{\sin^{3} (2 x)}{24}) + \frac{1}{2} \cdot \frac{5 x}{8} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5.2

Kalikan $\frac{1}{2} (- \frac{\sin^{3} (2 x)}{24})$ .

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Langkah 32.5.2.1

Kalikan $\frac{1}{2}$ dengan $\frac{\sin^{3} (2 x)}{24}$ .

$\frac{\sin (2 x)}{4} - \frac{\sin^{3} (2 x)}{2 \cdot 24} + \frac{1}{2} \cdot \frac{5 x}{8} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5.2.2

Kalikan $2$ dengan $24$ .

$\frac{\sin (2 x)}{4} - \frac{\sin^{3} (2 x)}{48} + \frac{1}{2} \cdot \frac{5 x}{8} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5.3

Kalikan $\frac{1}{2} \cdot \frac{5 x}{8}$ .

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Langkah 32.5.3.1

Kalikan $\frac{1}{2}$ dengan $\frac{5 x}{8}$ .

$\frac{\sin (2 x)}{4} - \frac{\sin^{3} (2 x)}{48} + \frac{5 x}{2 \cdot 8} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5.3.2

Kalikan $2$ dengan $8$ .

$\frac{\sin (2 x)}{4} - \frac{\sin^{3} (2 x)}{48} + \frac{5 x}{16} + \frac{1}{2} \cdot \frac{3 \sin (4 x)}{32} + C$

Langkah 32.5.4

Kalikan $\frac{1}{2} \cdot \frac{3 \sin (4 x)}{32}$ .

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Langkah 32.5.4.1

Kalikan $\frac{1}{2}$ dengan $\frac{3 \sin (4 x)}{32}$ .

$\frac{\sin (2 x)}{4} - \frac{\sin^{3} (2 x)}{48} + \frac{5 x}{16} + \frac{3 \sin (4 x)}{2 \cdot 32} + C$

Langkah 32.5.4.2

Kalikan $2$ dengan $32$ .

$\frac{\sin (2 x)}{4} - \frac{\sin^{3} (2 x)}{48} + \frac{5 x}{16} + \frac{3 \sin (4 x)}{64} + C$

Langkah 33

Susun kembali suku-suku.

$\frac{1}{4} \sin (2 x) - \frac{1}{48} \sin^{3} (2 x) + \frac{5}{16} x + \frac{3}{64} \sin (4 x) + C$