Calcolo Esempi

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

Passaggio 1

Semplifica tramite esclusione.

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Passaggio 1.1

Scomponi $2$ da $6$ .

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

Passaggio 1.2

Riscrivi ${\cos (x)}^{2 (3)}$ come un elevamento a potenza.

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

Passaggio 2

Utilizza la formula di bisezione per riscrivere $\cos^{2} (x)$ come $\frac{1 + \cos (2 x)}{2}$ .

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

Passaggio 3

Sia $u_{1} = 2 x$ . Allora $d u_{1} = 2 d x$ , quindi $\frac{1}{2} d u_{1} = d x$ . Riscrivi usando $u_{1}$ e $d$ $u_{1}$ .

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Passaggio 3.1

Sia $u_{1} = 2 x$ . Trova $\frac{d u_{1}}{d x}$ .

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Passaggio 3.1.1

Differenzia $2 x$ .

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

Passaggio 3.1.2

Poiché $2$ è costante rispetto a $x$ , la derivata di $2 x$ rispetto a $x$ è $2 \frac{d}{d x} [x]$ .

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

Passaggio 3.1.3

Differenzia usando la regola di potenza, che indica che $\frac{d}{d x} [x^{n}]$ è $n x^{n - 1}$ dove $n = 1$ .

$2 \cdot 1$

Passaggio 3.1.4

Moltiplica $2$ per $1$ .

$2$

Passaggio 3.2

Riscrivi il problema utilizzando $u_{1}$ e $d u_{1}$ .

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

Passaggio 4

Poiché $\frac{1}{2}$ è costante rispetto a $u_{1}$ , sposta $\frac{1}{2}$ fuori dall'integrale.

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

Passaggio 5

Semplifica moltiplicando.

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Passaggio 5.1

Riscrivi $\frac{1 + \cos (u_{1})}{2}$ come un prodotto.

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

Passaggio 5.2

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

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Passaggio 5.2.1

Riscrivi l'elevamento a potenza come un prodotto.

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

Passaggio 5.2.2

Riscrivi l'elevamento a potenza come un prodotto.

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

Passaggio 5.2.3

Applica la proprietà distributiva.

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

Passaggio 5.2.4

Applica la proprietà distributiva.

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

Passaggio 5.2.5

Applica la proprietà distributiva.

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

Passaggio 5.2.6

Applica la proprietà distributiva.

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

Passaggio 5.2.7

Applica la proprietà distributiva.

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

Passaggio 5.2.8

Applica la proprietà distributiva.

Passaggio 5.2.9

Applica la proprietà distributiva.

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

Passaggio 5.2.10

Applica la proprietà distributiva.

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

Passaggio 5.2.11

Applica la proprietà distributiva.

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

Passaggio 5.2.12

Applica la proprietà distributiva.

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

Passaggio 5.2.13

Applica la proprietà distributiva.

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

Passaggio 5.2.14

Applica la proprietà distributiva.

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

Passaggio 5.2.15

Applica la proprietà distributiva.

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

Passaggio 5.2.16

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.17

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.18

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.19

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

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

Passaggio 5.2.20

Sposta le parentesi.

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

Passaggio 5.2.21

Sposta le parentesi.

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

Passaggio 5.2.22

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

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

Passaggio 5.2.23

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.24

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.25

Sposta le parentesi.

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

Passaggio 5.2.26

Sposta le parentesi.

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

Passaggio 5.2.27

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

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

Passaggio 5.2.28

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.29

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.30

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

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

Passaggio 5.2.31

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.32

Sposta le parentesi.

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

Passaggio 5.2.33

Sposta le parentesi.

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

Passaggio 5.2.34

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

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

Passaggio 5.2.35

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.36

Sposta le parentesi.

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

Passaggio 5.2.37

Sposta le parentesi.

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

Passaggio 5.2.38

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.39

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.40

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

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

Passaggio 5.2.41

Sposta le parentesi.

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

Passaggio 5.2.42

Sposta le parentesi.

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

Passaggio 5.2.43

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

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

Passaggio 5.2.44

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

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

Passaggio 5.2.45

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.46

Sposta le parentesi.

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

Passaggio 5.2.47

Sposta le parentesi.

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

Passaggio 5.2.48

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

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

Passaggio 5.2.49

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.50

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.51

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

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

Passaggio 5.2.52

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.53

Sposta le parentesi.

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

Passaggio 5.2.54

Sposta le parentesi.

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

Passaggio 5.2.55

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

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

Passaggio 5.2.56

Riordina $\frac{1}{2}$ e $1$ .

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

Passaggio 5.2.57

Sposta le parentesi.

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

Passaggio 5.2.58

Sposta le parentesi.

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

Passaggio 5.2.59

Moltiplica $1$ per $1$ .

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

Passaggio 5.2.60

Moltiplica $1$ per $1$ .

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

Passaggio 5.2.61

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.62

Moltiplica $\frac{1}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.63

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.64

Moltiplica $\frac{1}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.65

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.66

Moltiplica $1$ per $1$ .

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

Passaggio 5.2.67

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.68

Moltiplica $\frac{1}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.69

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.70

Moltiplica $\frac{1}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.71

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.72

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

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

Passaggio 5.2.73

Moltiplica $1$ per $1$ .

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

Passaggio 5.2.74

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.75

Moltiplica $\frac{1}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.76

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.77

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

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

Passaggio 5.2.78

Moltiplica $\frac{\cos (u_{1})}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.79

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.80

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.81

Moltiplica $\frac{1}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.82

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.83

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

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

Passaggio 5.2.84

Moltiplica $\frac{\cos (u_{1})}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.85

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.86

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

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

Passaggio 5.2.87

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.88

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.89

Utilizza la regola per la potenza di una potenza $a^{m} a^{n} = a^{m + n}$ per combinare gli esponenti.

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

Passaggio 5.2.90

Somma $1$ e $1$ .

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

Passaggio 5.2.91

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

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

Passaggio 5.2.92

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

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

Passaggio 5.2.93

Moltiplica $1$ per $1$ .

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

Passaggio 5.2.94

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.95

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

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

Passaggio 5.2.96

Moltiplica $\frac{\cos (u_{1})}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.97

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.98

Moltiplica $\frac{\cos (u_{1})}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.99

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.100

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.101

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

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

Passaggio 5.2.102

Moltiplica $\frac{\cos (u_{1})}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.103

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.104

Moltiplica $\frac{\cos (u_{1})}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.105

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.106

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

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

Passaggio 5.2.107

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.108

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.109

Utilizza la regola per la potenza di una potenza $a^{m} a^{n} = a^{m + n}$ per combinare gli esponenti.

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

Passaggio 5.2.110

Somma $1$ e $1$ .

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

Passaggio 5.2.111

Moltiplica $\frac{1}{2}$ per $1$ .

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

Passaggio 5.2.112

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

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

Passaggio 5.2.113

Moltiplica $\frac{\cos (u_{1})}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.114

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.115

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

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

Passaggio 5.2.116

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.117

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.118

Utilizza la regola per la potenza di una potenza $a^{m} a^{n} = a^{m + n}$ per combinare gli esponenti.

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

Passaggio 5.2.119

Somma $1$ e $1$ .

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

Passaggio 5.2.120

Moltiplica $\frac{\cos^{2} (u_{1})}{4}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.121

Moltiplica $4$ per $2$ .

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

Passaggio 5.2.122

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

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

Passaggio 5.2.123

Moltiplica $\frac{\cos (u_{1})}{2}$ per $\frac{1}{2}$ .

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

Passaggio 5.2.124

Moltiplica $2$ per $2$ .

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

Passaggio 5.2.125

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

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

Passaggio 5.2.126

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.127

Eleva $\cos (u_{1})$ alla potenza di $1$ .

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

Passaggio 5.2.128

Utilizza la regola per la potenza di una potenza $a^{m} a^{n} = a^{m + n}$ per combinare gli esponenti.

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

Passaggio 5.2.129

Somma $1$ e $1$ .

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

Passaggio 5.2.130

Moltiplica $\frac{\cos^{2} (u_{1})}{4}$ per $\frac{1}{2}$ .

Passaggio 5.2.131

Moltiplica $4$ per $2$ .

Passaggio 5.2.132

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

Passaggio 5.2.133

Eleva $\cos (u_{1})$ alla potenza di $1$ .

Passaggio 5.2.134

Utilizza la regola per la potenza di una potenza $a^{m} a^{n} = a^{m + n}$ per combinare gli esponenti.

Passaggio 5.2.135

Somma $2$ e $1$ .

Passaggio 5.2.136

Somma $\frac{\cos^{2} (u_{1})}{8}$ e $\frac{\cos^{2} (u_{1})}{8}$ .

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

Passaggio 5.2.137

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

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

Passaggio 5.2.138

Riordina $\frac{2 \cos (u_{1})}{8}$ e $\frac{\cos^{2} (u_{1})}{8}$ .

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

Passaggio 5.2.139

Riordina $\frac{1}{8}$ e $\frac{\cos^{2} (u_{1})}{8}$ .

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

Passaggio 5.2.140

Riordina $\frac{2 \cos^{2} (u_{1})}{8}$ e $\frac{\cos^{3} (u_{1})}{8}$ .

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

Passaggio 5.2.141

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

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

Passaggio 5.2.142

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

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

Passaggio 5.2.143

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

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

Passaggio 5.2.144

Riordina $\frac{\cos^{2} (u_{1})}{8}$ e $\frac{\cos^{3} (u_{1})}{8}$ .

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

Passaggio 5.2.145

Riduci i numeratori su un comune denominatore.

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

Passaggio 5.2.146

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

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

Passaggio 5.2.147

Riduci i numeratori su un comune denominatore.

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

Passaggio 5.2.148

Somma $2 \cos (u_{1})$ e $\cos (u_{1})$ .

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

Passaggio 6

Dividi il singolo integrale in più integrali.

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

Passaggio 7

Poiché $\frac{1}{8}$ è costante rispetto a $u_{1}$ , sposta $\frac{1}{8}$ fuori dall'integrale.

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

Passaggio 8

Metti in evidenza $\cos^{2} (u_{1})$ .

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

Passaggio 9

Utilizzando l'identità pitagorica, riscrivi $\cos^{2} (u_{1})$ come $1 - \sin^{2} (u_{1})$ .

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

Passaggio 10

Sia $u_{2} = \sin (u_{1})$ . Allora $d u_{2} = \cos (u_{1}) d u_{1}$ , quindi $\frac{1}{\cos (u_{1})} d u_{2} = d u_{1}$ . Riscrivi usando $u_{2}$ e $d$ $u_{2}$ .

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Passaggio 10.1

Sia $u_{2} = \sin (u_{1})$ . Trova $\frac{d u_{2}}{d u_{1}}$ .

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Passaggio 10.1.1

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

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

Passaggio 10.1.2

La derivata di $\sin (u_{1})$ rispetto a $u_{1}$ è $\cos (u_{1})$ .

$\cos (u_{1})$

Passaggio 10.2

Riscrivi il problema utilizzando $u_{2}$ e $d u_{2}$ .

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

Passaggio 11

Dividi il singolo integrale in più integrali.

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

Passaggio 12

Applica la regola costante.

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

Passaggio 13

Poiché $- 1$ è costante rispetto a $u_{2}$ , sposta $- 1$ fuori dall'integrale.

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

Passaggio 14

Secondo la regola di potenza, l'intero di ${u_{2}}^{2}$ rispetto a $u_{2}$ è $\frac{1}{3} {u_{2}}^{3}$ .

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

Passaggio 15

$\frac{1}{3}$ e ${u_{2}}^{3}$ .

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

Passaggio 16

Poiché $\frac{3}{8}$ è costante rispetto a $u_{1}$ , sposta $\frac{3}{8}$ fuori dall'integrale.

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

Passaggio 17

Utilizza la formula di bisezione per riscrivere $\cos^{2} (u_{1})$ come $\frac{1 + \cos (2 u_{1})}{2}$ .

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

Passaggio 18

Poiché $\frac{1}{2}$ è costante rispetto a $u_{1}$ , sposta $\frac{1}{2}$ fuori dall'integrale.

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

Passaggio 19

Semplifica.

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Passaggio 19.1

Moltiplica $\frac{1}{2}$ per $\frac{3}{8}$ .

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

Passaggio 19.2

Moltiplica $2$ per $8$ .

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

Passaggio 20

Dividi il singolo integrale in più integrali.

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

Passaggio 21

Applica la regola costante.

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

Passaggio 22

Sia $u_{3} = 2 u_{1}$ . Allora $d u_{3} = 2 d u_{1}$ , quindi $\frac{1}{2} d u_{3} = d u_{1}$ . Riscrivi usando $u_{3}$ e $d$ $u_{3}$ .

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Passaggio 22.1

Sia $u_{3} = 2 u_{1}$ . Trova $\frac{d u_{3}}{d u_{1}}$ .

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Passaggio 22.1.1

Differenzia $2 u_{1}$ .

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

Passaggio 22.1.2

Poiché $2$ è costante rispetto a $u_{1}$ , la derivata di $2 u_{1}$ rispetto a $u_{1}$ è $2 \frac{d}{d u_{1}} [u_{1}]$ .

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

Passaggio 22.1.3

Differenzia usando la regola di potenza, che indica che $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ è $n {u_{1}}^{n - 1}$ dove $n = 1$ .

$2 \cdot 1$

Passaggio 22.1.4

Moltiplica $2$ per $1$ .

$2$

Passaggio 22.2

Riscrivi il problema utilizzando $u_{3}$ e $d u_{3}$ .

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

Passaggio 23

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

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

Passaggio 24

Poiché $\frac{1}{2}$ è costante rispetto a $u_{3}$ , sposta $\frac{1}{2}$ fuori dall'integrale.

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

Passaggio 25

L'integrale di $\cos (u_{3})$ rispetto a $u_{3}$ è $\sin (u_{3})$ .

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

Passaggio 26

Applica la regola costante.

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

Passaggio 27

$\frac{1}{8}$ e $u_{1}$ .

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

Passaggio 28

Poiché $\frac{3}{8}$ è costante rispetto a $u_{1}$ , sposta $\frac{3}{8}$ fuori dall'integrale.

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

Passaggio 29

L'integrale di $\cos (u_{1})$ rispetto a $u_{1}$ è $\sin (u_{1})$ .

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

Passaggio 30

Semplifica.

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Passaggio 30.1

Semplifica.

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

Passaggio 30.2

Semplifica.

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Passaggio 30.2.1

Per scrivere $\frac{u_{1}}{8}$ come una frazione con un comune denominatore, moltiplicala per $\frac{2}{2}$ .

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

Passaggio 30.2.2

Scrivi ogni espressione con un comune denominatore di $16$ , moltiplicando ciascuna per il fattore appropriato di $1$ .

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Passaggio 30.2.2.1

Moltiplica $\frac{u_{1}}{8}$ per $\frac{2}{2}$ .

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

Passaggio 30.2.2.2

Moltiplica $8$ per $2$ .

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

Passaggio 30.2.3

Riduci i numeratori su un comune denominatore.

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

Passaggio 30.2.4

Sposta $2$ alla sinistra di $u_{1}$ .

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

Passaggio 30.2.5

Somma $3 u_{1}$ e $2 u_{1}$ .

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

Passaggio 31

Sostituisci al posto di ogni variabile di integrazione per sostituzione.

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Passaggio 31.1

Sostituisci tutte le occorrenze di $u_{2}$ con $\sin (u_{1})$ .

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

Passaggio 31.2

Sostituisci tutte le occorrenze di $u_{1}$ con $2 x$ .

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

Passaggio 31.3

Sostituisci tutte le occorrenze di $u_{3}$ con $2 u_{1}$ .

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

Passaggio 31.4

Sostituisci tutte le occorrenze di $u_{1}$ con $2 x$ .

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

Passaggio 32

Semplifica.

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Passaggio 32.1

Riduci i numeratori su un comune denominatore.

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

Passaggio 32.2

Somma $\sin (2 x)$ e $3 \sin (2 x)$ .

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

Passaggio 32.3

Semplifica ciascun termine.

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Passaggio 32.3.1

Elimina il fattore comune di $4$ e $8$ .

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Passaggio 32.3.1.1

Scomponi $4$ da $4 \sin (2 x)$ .

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

Passaggio 32.3.1.2

Elimina i fattori comuni.

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Passaggio 32.3.1.2.1

Scomponi $4$ da $8$ .

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

Passaggio 32.3.1.2.2

Elimina il fattore comune.

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

Passaggio 32.3.1.2.3

Riscrivi l'espressione.

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

Passaggio 32.3.2

Sposta il negativo davanti alla frazione.

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

Passaggio 32.3.3

Elimina il fattore comune di $2$ e $16$ .

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Passaggio 32.3.3.1

Scomponi $2$ da $5 (2 x)$ .

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

Passaggio 32.3.3.2

Elimina i fattori comuni.

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Passaggio 32.3.3.2.1

Scomponi $2$ da $16$ .

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

Passaggio 32.3.3.2.2

Elimina il fattore comune.

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

Passaggio 32.3.3.2.3

Riscrivi l'espressione.

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

Passaggio 32.3.4

Moltiplica $2$ per $2$ .

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

Passaggio 32.4

Applica la proprietà distributiva.

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

Passaggio 32.5

Semplifica.

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Passaggio 32.5.1

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

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Passaggio 32.5.1.1

Moltiplica $\frac{1}{2}$ per $\frac{\sin (2 x)}{2}$ .

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

Passaggio 32.5.1.2

Moltiplica $2$ per $2$ .

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

Passaggio 32.5.2

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

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Passaggio 32.5.2.1

Moltiplica $\frac{1}{2}$ per $\frac{\sin^{3} (2 x)}{24}$ .

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

Passaggio 32.5.2.2

Moltiplica $2$ per $24$ .

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

Passaggio 32.5.3

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

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Passaggio 32.5.3.1

Moltiplica $\frac{1}{2}$ per $\frac{5 x}{8}$ .

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

Passaggio 32.5.3.2

Moltiplica $2$ per $8$ .

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

Passaggio 32.5.4

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

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Passaggio 32.5.4.1

Moltiplica $\frac{1}{2}$ per $\frac{3 \sin (4 x)}{32}$ .

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

Passaggio 32.5.4.2

Moltiplica $2$ per $32$ .

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

Passaggio 33

Riordina i termini.

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