حساب التفاضل والتكامل الأمثلة

$\int \cos^{6} (\frac{y}{2}) d y$

خطوة 1

لنفترض أن $u_{1} = \frac{y}{2}$ . إذن $d u_{1} = \frac{1}{2} d y$ ، لذا $2 d u_{1} = d y$ . أعِد الكتابة باستخدام $u_{1}$ و $d$ $u_{1}$ .

انقر لعرض المزيد من الخطوات...

خطوة 1.1

افترض أن $u_{1} = \frac{y}{2}$ . أوجِد $\frac{d u_{1}}{d y}$ .

انقر لعرض المزيد من الخطوات...

خطوة 1.1.1

أوجِد مشتقة $\frac{y}{2}$ .

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

خطوة 1.1.2

بما أن $\frac{1}{2}$ عدد ثابت بالنسبة إلى $y$ ، إذن مشتق $\frac{y}{2}$ بالنسبة إلى $y$ يساوي $\frac{1}{2} \frac{d}{d y} [y]$ .

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

خطوة 1.1.3

أوجِد المشتقة باستخدام قاعدة القوة التي تنص على أن $\frac{d}{d y} [y^{n}]$ هو $n y^{n - 1}$ حيث $n = 1$ .

$\frac{1}{2} \cdot 1$

خطوة 1.1.4

اضرب $\frac{1}{2}$ في $1$ .

$\frac{1}{2}$

خطوة 1.2

أعِد كتابة المسألة باستخدام $u_{1}$ و $d u_{1}$ .

$\int \cos^{6} (u_{1}) \frac{1}{\frac{1}{2}} d u_{1}$

خطوة 2

بسّط.

انقر لعرض المزيد من الخطوات...

خطوة 2.1

اضرب في مقلوب الكسر للقسمة على $\frac{1}{2}$ .

$\int \cos^{6} (u_{1}) (1 \cdot 2) d u_{1}$

خطوة 2.2

اضرب $2$ في $1$ .

$\int \cos^{6} (u_{1}) \cdot 2 d u_{1}$

خطوة 2.3

انقُل $2$ إلى يسار $\cos^{6} (u_{1})$ .

$\int 2 \cos^{6} (u_{1}) d u_{1}$

خطوة 3

بما أن $2$ عدد ثابت بالنسبة إلى $u_{1}$ ، انقُل $2$ خارج التكامل.

$2 \int \cos^{6} (u_{1}) d u_{1}$

خطوة 4

بسّط بالتحليل إلى عوامل.

انقر لعرض المزيد من الخطوات...

خطوة 4.1

أخرِج العامل $2$ من $6$ .

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

خطوة 4.2

أعِد كتابة ${\cos (u_{1})}^{2 (3)}$ في صورة أُس.

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

خطوة 5

استخدِم قاعدة نصف الزاوية لإعادة كتابة $\cos^{2} (u_{1})$ بحيث تصبح $\frac{1 + \cos (2 u_{1})}{2}$ .

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

خطوة 6

لنفترض أن $u_{2} = 2 u_{1}$ . إذن $d u_{2} = 2 d u_{1}$ ، لذا $\frac{1}{2} d u_{2} = d u_{1}$ . أعِد الكتابة باستخدام $u_{2}$ و $d$ $u_{2}$ .

انقر لعرض المزيد من الخطوات...

خطوة 6.1

افترض أن $u_{2} = 2 u_{1}$ . أوجِد $\frac{d u_{2}}{d u_{1}}$ .

انقر لعرض المزيد من الخطوات...

خطوة 6.1.1

أوجِد مشتقة $2 u_{1}$ .

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

خطوة 6.1.2

بما أن $2$ عدد ثابت بالنسبة إلى $u_{1}$ ، إذن مشتق $2 u_{1}$ بالنسبة إلى $u_{1}$ يساوي $2 \frac{d}{d u_{1}} [u_{1}]$ .

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

خطوة 6.1.3

أوجِد المشتقة باستخدام قاعدة القوة التي تنص على أن $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ هو $n {u_{1}}^{n - 1}$ حيث $n = 1$ .

$2 \cdot 1$

خطوة 6.1.4

اضرب $2$ في $1$ .

$2$

خطوة 6.2

أعِد كتابة المسألة باستخدام $u_{2}$ و $d u_{2}$ .

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

خطوة 7

بما أن $\frac{1}{2}$ عدد ثابت بالنسبة إلى $u_{2}$ ، انقُل $\frac{1}{2}$ خارج التكامل.

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

خطوة 8

بسّط بالضرب.

انقر لعرض المزيد من الخطوات...

خطوة 8.1

بسّط.

انقر لعرض المزيد من الخطوات...

خطوة 8.1.1

اجمع $\frac{1}{2}$ و $2$ .

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

خطوة 8.1.2

ألغِ العامل المشترك لـ $2$ .

انقر لعرض المزيد من الخطوات...

خطوة 8.1.2.1

ألغِ العامل المشترك.

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

خطوة 8.1.2.2

أعِد كتابة العبارة.

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

خطوة 8.1.3

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

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

خطوة 8.2

أعِد كتابة $\frac{1 + \cos (u_{2})}{2}$ في صورة حاصل ضرب.

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

خطوة 8.3

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

انقر لعرض المزيد من الخطوات...

خطوة 8.3.1

أعِد كتابة الأُس في صورة حاصل ضرب.

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

خطوة 8.3.2

أعِد كتابة الأُس في صورة حاصل ضرب.

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

خطوة 8.3.3

طبّق خاصية التوزيع.

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

خطوة 8.3.4

طبّق خاصية التوزيع.

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

خطوة 8.3.5

طبّق خاصية التوزيع.

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

خطوة 8.3.6

طبّق خاصية التوزيع.

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

خطوة 8.3.7

طبّق خاصية التوزيع.

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

خطوة 8.3.8

طبّق خاصية التوزيع.

خطوة 8.3.9

طبّق خاصية التوزيع.

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

خطوة 8.3.10

طبّق خاصية التوزيع.

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

خطوة 8.3.11

طبّق خاصية التوزيع.

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

خطوة 8.3.12

طبّق خاصية التوزيع.

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

خطوة 8.3.13

طبّق خاصية التوزيع.

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

خطوة 8.3.14

طبّق خاصية التوزيع.

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

خطوة 8.3.15

طبّق خاصية التوزيع.

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

خطوة 8.3.16

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.17

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.18

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.19

انقُل $\frac{1}{2}$ .

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

خطوة 8.3.20

انقُل الأقواس.

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

خطوة 8.3.21

انقُل الأقواس.

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

خطوة 8.3.22

انقُل $\frac{1}{2}$ .

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

خطوة 8.3.23

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.24

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.25

انقُل الأقواس.

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

خطوة 8.3.26

انقُل الأقواس.

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

خطوة 8.3.27

انقُل $\frac{1}{2}$ .

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

خطوة 8.3.28

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.29

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.30

انقُل $\cos (u_{2})$ .

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

خطوة 8.3.31

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.32

انقُل الأقواس.

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

خطوة 8.3.33

انقُل الأقواس.

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

خطوة 8.3.34

انقُل $\frac{1}{2}$ .

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

خطوة 8.3.35

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.36

انقُل الأقواس.

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

خطوة 8.3.37

انقُل الأقواس.

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

خطوة 8.3.38

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.39

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.40

انقُل $\frac{1}{2}$ .

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

خطوة 8.3.41

انقُل الأقواس.

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

خطوة 8.3.42

انقُل الأقواس.

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

خطوة 8.3.43

انقُل $\cos (u_{2})$ .

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

خطوة 8.3.44

انقُل $\frac{1}{2}$ .

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

خطوة 8.3.45

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.46

انقُل الأقواس.

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

خطوة 8.3.47

انقُل الأقواس.

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

خطوة 8.3.48

انقُل $\cos (u_{2})$ .

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

خطوة 8.3.49

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.50

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.51

انقُل $\cos (u_{2})$ .

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

خطوة 8.3.52

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.53

انقُل الأقواس.

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

خطوة 8.3.54

انقُل الأقواس.

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

خطوة 8.3.55

انقُل $\cos (u_{2})$ .

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

خطوة 8.3.56

أعِد ترتيب $\frac{1}{2}$ و $1$ .

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

خطوة 8.3.57

انقُل الأقواس.

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

خطوة 8.3.58

انقُل الأقواس.

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

خطوة 8.3.59

اضرب $1$ في $1$ .

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

خطوة 8.3.60

اضرب $1$ في $1$ .

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

خطوة 8.3.61

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.62

اضرب $\frac{1}{2}$ في $\frac{1}{2}$ .

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

خطوة 8.3.63

اضرب $2$ في $2$ .

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

خطوة 8.3.64

اضرب $\frac{1}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.65

اضرب $4$ في $2$ .

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

خطوة 8.3.66

اضرب $1$ في $1$ .

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

خطوة 8.3.67

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.68

اضرب $\frac{1}{2}$ في $\frac{1}{2}$ .

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

خطوة 8.3.69

اضرب $2$ في $2$ .

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

خطوة 8.3.70

اضرب $\frac{1}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.71

اضرب $4$ في $2$ .

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

خطوة 8.3.72

اجمع $\frac{1}{8}$ و $\cos (u_{2})$ .

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

خطوة 8.3.73

اضرب $1$ في $1$ .

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

خطوة 8.3.74

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.75

اضرب $\frac{1}{2}$ في $\frac{1}{2}$ .

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

خطوة 8.3.76

اضرب $2$ في $2$ .

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

خطوة 8.3.77

اجمع $\frac{1}{4}$ و $\cos (u_{2})$ .

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

خطوة 8.3.78

اضرب $\frac{\cos (u_{2})}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.79

اضرب $4$ في $2$ .

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

خطوة 8.3.80

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.81

اضرب $\frac{1}{2}$ في $\frac{1}{2}$ .

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

خطوة 8.3.82

اضرب $2$ في $2$ .

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

خطوة 8.3.83

اجمع $\frac{1}{4}$ و $\cos (u_{2})$ .

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

خطوة 8.3.84

اضرب $\frac{\cos (u_{2})}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.85

اضرب $4$ في $2$ .

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

خطوة 8.3.86

اجمع $\frac{\cos (u_{2})}{8}$ و $\cos (u_{2})$ .

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

خطوة 8.3.87

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.88

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.89

استخدِم قاعدة القوة $a^{m} a^{n} = a^{m + n}$ لتجميع الأُسس.

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

خطوة 8.3.90

أضف $1$ و $1$ .

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

خطوة 8.3.91

أضف $\frac{\cos (u_{2})}{8}$ و $\frac{\cos (u_{2})}{8}$ .

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

خطوة 8.3.92

اجمع $2$ و $\frac{\cos (u_{2})}{8}$ .

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

خطوة 8.3.93

اضرب $1$ في $1$ .

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

خطوة 8.3.94

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.95

اجمع $\frac{1}{2}$ و $\cos (u_{2})$ .

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

خطوة 8.3.96

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

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

خطوة 8.3.97

اضرب $2$ في $2$ .

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

خطوة 8.3.98

اضرب $\frac{\cos (u_{2})}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.99

اضرب $4$ في $2$ .

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

خطوة 8.3.100

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.101

اجمع $\frac{1}{2}$ و $\cos (u_{2})$ .

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

خطوة 8.3.102

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

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

خطوة 8.3.103

اضرب $2$ في $2$ .

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

خطوة 8.3.104

اضرب $\frac{\cos (u_{2})}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.105

اضرب $4$ في $2$ .

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

خطوة 8.3.106

اجمع $\frac{\cos (u_{2})}{8}$ و $\cos (u_{2})$ .

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

خطوة 8.3.107

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.108

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.109

استخدِم قاعدة القوة $a^{m} a^{n} = a^{m + n}$ لتجميع الأُسس.

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

خطوة 8.3.110

أضف $1$ و $1$ .

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

خطوة 8.3.111

اضرب $\frac{1}{2}$ في $1$ .

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

خطوة 8.3.112

اجمع $\frac{1}{2}$ و $\cos (u_{2})$ .

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

خطوة 8.3.113

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

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

خطوة 8.3.114

اضرب $2$ في $2$ .

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

خطوة 8.3.115

اجمع $\frac{\cos (u_{2})}{4}$ و $\cos (u_{2})$ .

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

خطوة 8.3.116

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.117

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.118

استخدِم قاعدة القوة $a^{m} a^{n} = a^{m + n}$ لتجميع الأُسس.

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

خطوة 8.3.119

أضف $1$ و $1$ .

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

خطوة 8.3.120

اضرب $\frac{\cos^{2} (u_{2})}{4}$ في $\frac{1}{2}$ .

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

خطوة 8.3.121

اضرب $4$ في $2$ .

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

خطوة 8.3.122

اجمع $\frac{1}{2}$ و $\cos (u_{2})$ .

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

خطوة 8.3.123

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

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

خطوة 8.3.124

اضرب $2$ في $2$ .

خطوة 8.3.125

اجمع $\frac{\cos (u_{2})}{4}$ و $\cos (u_{2})$ .

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

خطوة 8.3.126

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.127

ارفع $\cos (u_{2})$ إلى القوة $1$ .

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

خطوة 8.3.128

استخدِم قاعدة القوة $a^{m} a^{n} = a^{m + n}$ لتجميع الأُسس.

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

خطوة 8.3.129

أضف $1$ و $1$ .

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

خطوة 8.3.130

اضرب $\frac{\cos^{2} (u_{2})}{4}$ في $\frac{1}{2}$ .

خطوة 8.3.131

اضرب $4$ في $2$ .

خطوة 8.3.132

اجمع $\frac{\cos^{2} (u_{2})}{8}$ و $\cos (u_{2})$ .

خطوة 8.3.133

ارفع $\cos (u_{2})$ إلى القوة $1$ .

خطوة 8.3.134

استخدِم قاعدة القوة $a^{m} a^{n} = a^{m + n}$ لتجميع الأُسس.

خطوة 8.3.135

أضف $2$ و $1$ .

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

خطوة 8.3.136

أضف $\frac{\cos^{2} (u_{2})}{8}$ و $\frac{\cos^{2} (u_{2})}{8}$ .

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

خطوة 8.3.137

اجمع $2$ و $\frac{\cos^{2} (u_{2})}{8}$ .

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

خطوة 8.3.138

أعِد ترتيب $\frac{2 \cos (u_{2})}{8}$ و $\frac{\cos^{2} (u_{2})}{8}$ .

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

خطوة 8.3.139

أعِد ترتيب $\frac{1}{8}$ و $\frac{\cos^{2} (u_{2})}{8}$ .

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

خطوة 8.3.140

أعِد ترتيب $\frac{2 \cos^{2} (u_{2})}{8}$ و $\frac{\cos^{3} (u_{2})}{8}$ .

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

خطوة 8.3.141

انقُل $\frac{\cos (u_{2})}{8}$ .

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

خطوة 8.3.142

انقُل $\frac{2 \cos (u_{2})}{8}$ .

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

خطوة 8.3.143

انقُل $\frac{1}{8}$ .

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

خطوة 8.3.144

أعِد ترتيب $\frac{\cos^{2} (u_{2})}{8}$ و $\frac{\cos^{3} (u_{2})}{8}$ .

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

خطوة 8.3.145

اجمع البسوط على القاسم المشترك.

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

خطوة 8.3.146

أضف $\cos^{2} (u_{2})$ و $2 \cos^{2} (u_{2})$ .

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

خطوة 8.3.147

اجمع البسوط على القاسم المشترك.

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

خطوة 8.3.148

أضف $2 \cos (u_{2})$ و $\cos (u_{2})$ .

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

خطوة 9

قسّم التكامل الواحد إلى عدة تكاملات.

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

خطوة 10

بما أن $\frac{1}{8}$ عدد ثابت بالنسبة إلى $u_{2}$ ، انقُل $\frac{1}{8}$ خارج التكامل.

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

خطوة 11

أخرِج عامل $\cos^{2} (u_{2})$ .

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

خطوة 12

باستخدام متطابقة فيثاغورس، أعِد كتابة $\cos^{2} (u_{2})$ بحيث تصبح $1 - \sin^{2} (u_{2})$ .

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

خطوة 13

لنفترض أن $u_{3} = \sin (u_{2})$ . إذن $d u_{3} = \cos (u_{2}) d u_{2}$ ، لذا $\frac{1}{\cos (u_{2})} d u_{3} = d u_{2}$ . أعِد الكتابة باستخدام $u_{3}$ و $d$ $u_{3}$ .

انقر لعرض المزيد من الخطوات...

خطوة 13.1

افترض أن $u_{3} = \sin (u_{2})$ . أوجِد $\frac{d u_{3}}{d u_{2}}$ .

انقر لعرض المزيد من الخطوات...

خطوة 13.1.1

أوجِد مشتقة $\sin (u_{2})$ .

$\frac{d}{d u_{2}} [\sin (u_{2})]$

خطوة 13.1.2

مشتق $\sin (u_{2})$ بالنسبة إلى $u_{2}$ يساوي $\cos (u_{2})$ .

$\cos (u_{2})$

خطوة 13.2

أعِد كتابة المسألة باستخدام $u_{3}$ و $d u_{3}$ .

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

خطوة 14

قسّم التكامل الواحد إلى عدة تكاملات.

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

خطوة 15

طبّق قاعدة الثابت.

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

خطوة 16

بما أن $- 1$ عدد ثابت بالنسبة إلى $u_{3}$ ، انقُل $- 1$ خارج التكامل.

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

خطوة 17

وفقًا لقاعدة القوة، فإن تكامل ${u_{3}}^{2}$ بالنسبة إلى $u_{3}$ هو $\frac{1}{3} {u_{3}}^{3}$ .

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

خطوة 18

اجمع $\frac{1}{3}$ و ${u_{3}}^{3}$ .

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

خطوة 19

بما أن $\frac{3}{8}$ عدد ثابت بالنسبة إلى $u_{2}$ ، انقُل $\frac{3}{8}$ خارج التكامل.

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

خطوة 20

استخدِم قاعدة نصف الزاوية لإعادة كتابة $\cos^{2} (u_{2})$ بحيث تصبح $\frac{1 + \cos (2 u_{2})}{2}$ .

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

خطوة 21

بما أن $\frac{1}{2}$ عدد ثابت بالنسبة إلى $u_{2}$ ، انقُل $\frac{1}{2}$ خارج التكامل.

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

خطوة 22

بسّط.

انقر لعرض المزيد من الخطوات...

خطوة 22.1

اضرب $\frac{1}{2}$ في $\frac{3}{8}$ .

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

خطوة 22.2

اضرب $2$ في $8$ .

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

خطوة 23

قسّم التكامل الواحد إلى عدة تكاملات.

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

خطوة 24

طبّق قاعدة الثابت.

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

خطوة 25

لنفترض أن $u_{4} = 2 u_{2}$ . إذن $d u_{4} = 2 d u_{2}$ ، لذا $\frac{1}{2} d u_{4} = d u_{2}$ . أعِد الكتابة باستخدام $u_{4}$ و $d$ $u_{4}$ .

انقر لعرض المزيد من الخطوات...

خطوة 25.1

افترض أن $u_{4} = 2 u_{2}$ . أوجِد $\frac{d u_{4}}{d u_{2}}$ .

انقر لعرض المزيد من الخطوات...

خطوة 25.1.1

أوجِد مشتقة $2 u_{2}$ .

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

خطوة 25.1.2

بما أن $2$ عدد ثابت بالنسبة إلى $u_{2}$ ، إذن مشتق $2 u_{2}$ بالنسبة إلى $u_{2}$ يساوي $2 \frac{d}{d u_{2}} [u_{2}]$ .

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

خطوة 25.1.3

أوجِد المشتقة باستخدام قاعدة القوة التي تنص على أن $\frac{d}{d u_{2}} [{u_{2}}^{n}]$ هو $n {u_{2}}^{n - 1}$ حيث $n = 1$ .

$2 \cdot 1$

خطوة 25.1.4

اضرب $2$ في $1$ .

$2$

خطوة 25.2

أعِد كتابة المسألة باستخدام $u_{4}$ و $d u_{4}$ .

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \int \cos (u_{4}) \frac{1}{2} d u_{4}) + \int \frac{1}{8} d u_{2} + \int \frac{3 \cos (u_{2})}{8} d u_{2}$

خطوة 26

اجمع $\cos (u_{4})$ و $\frac{1}{2}$ .

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \int \frac{\cos (u_{4})}{2} d u_{4}) + \int \frac{1}{8} d u_{2} + \int \frac{3 \cos (u_{2})}{8} d u_{2}$

خطوة 27

بما أن $\frac{1}{2}$ عدد ثابت بالنسبة إلى $u_{4}$ ، انقُل $\frac{1}{2}$ خارج التكامل.

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \frac{1}{2} \int \cos (u_{4}) d u_{4}) + \int \frac{1}{8} d u_{2} + \int \frac{3 \cos (u_{2})}{8} d u_{2}$

خطوة 28

تكامل $\cos (u_{4})$ بالنسبة إلى $u_{4}$ هو $\sin (u_{4})$ .

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \frac{1}{2} (\sin (u_{4}) + C)) + \int \frac{1}{8} d u_{2} + \int \frac{3 \cos (u_{2})}{8} d u_{2}$

خطوة 29

طبّق قاعدة الثابت.

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \frac{1}{2} (\sin (u_{4}) + C)) + \frac{1}{8} u_{2} + C + \int \frac{3 \cos (u_{2})}{8} d u_{2}$

خطوة 30

بما أن $\frac{3}{8}$ عدد ثابت بالنسبة إلى $u_{2}$ ، انقُل $\frac{3}{8}$ خارج التكامل.

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \frac{1}{2} (\sin (u_{4}) + C)) + \frac{1}{8} u_{2} + C + \frac{3}{8} \int \cos (u_{2}) d u_{2}$

خطوة 31

تكامل $\cos (u_{2})$ بالنسبة إلى $u_{2}$ هو $\sin (u_{2})$ .

$\frac{1}{8} (u_{3} + C - (\frac{{u_{3}}^{3}}{3} + C)) + \frac{3}{16} (u_{2} + C + \frac{1}{2} (\sin (u_{4}) + C)) + \frac{1}{8} u_{2} + C + \frac{3}{8} (\sin (u_{2}) + C)$

خطوة 32

بسّط.

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

خطوة 33

أعِد ترتيب الحدود.

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

خطوة 34

عوّض مجددًا بقيمة كل متغير في التكامل بالتعويض.

انقر لعرض المزيد من الخطوات...

خطوة 34.1

استبدِل كافة حالات حدوث $u_{3}$ بـ $\sin (u_{2})$ .

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

خطوة 34.2

استبدِل كافة حالات حدوث $u_{2}$ بـ $2 u_{1}$ .

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

خطوة 34.3

استبدِل كافة حالات حدوث $u_{4}$ بـ $2 u_{2}$ .

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

خطوة 34.4

استبدِل كافة حالات حدوث $u_{1}$ بـ $\frac{y}{2}$ .

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

خطوة 34.5

استبدِل كافة حالات حدوث $u_{2}$ بـ $2 u_{1}$ .

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

خطوة 34.6

استبدِل كافة حالات حدوث $u_{1}$ بـ $\frac{y}{2}$ .

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

خطوة 35

بسّط.

انقر لعرض المزيد من الخطوات...

خطوة 35.1

اجمع $2$ و $\frac{y}{2}$ .

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

خطوة 35.2

اجمع $2$ و $\frac{y}{2}$ .

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

خطوة 35.3

اجمع $\sin^{3} (\frac{2 y}{2})$ و $\frac{1}{24}$ .

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

خطوة 35.4

اجمع $2$ و $\frac{y}{2}$ .

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

خطوة 35.5

اضرب $\frac{3}{16}$ في $\frac{2 y}{2}$ .

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

خطوة 35.6

اضرب $2$ في $3$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{16 \cdot 2} + \frac{3}{32} \sin (2 (2 \frac{y}{2})) + \frac{1}{8} (2 \frac{y}{2}) + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.7

اضرب $16$ في $2$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (2 (2 \frac{y}{2})) + \frac{1}{8} (2 \frac{y}{2}) + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.8

اجمع $2$ و $\frac{y}{2}$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (2 \frac{2 y}{2}) + \frac{1}{8} (2 \frac{y}{2}) + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.9

اجمع $2$ و $\frac{2 y}{2}$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{2 (2 y)}{2}) + \frac{1}{8} (2 \frac{y}{2}) + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.10

اضرب $2$ في $2$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{1}{8} (2 \frac{y}{2}) + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.11

اجمع $2$ و $\frac{y}{2}$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{1}{8} \cdot \frac{2 y}{2} + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.12

اضرب $\frac{1}{8}$ في $\frac{2 y}{2}$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{8 \cdot 2} + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.13

اضرب $8$ في $2$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{16} + \frac{3}{8} \sin (2 \frac{y}{2}) + C$

خطوة 35.14

اجمع $2$ و $\frac{y}{2}$ .

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{16} + \frac{3}{8} \sin (\frac{2 y}{2}) + C$

خطوة 36

بسّط.

انقر لعرض المزيد من الخطوات...

خطوة 36.1

ألغِ العامل المشترك لـ $2$ .

انقر لعرض المزيد من الخطوات...

خطوة 36.1.1

ألغِ العامل المشترك.

$\frac{1}{8} \sin (\frac{2 y}{2}) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{16} + \frac{3}{8} \sin (\frac{2 y}{2}) + C$

خطوة 36.1.2

اقسِم $y$ على $1$ .

$\frac{1}{8} \sin (y) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{16} + \frac{3}{8} \sin (\frac{2 y}{2}) + C$

خطوة 36.2

ألغِ العامل المشترك لـ $2$ .

انقر لعرض المزيد من الخطوات...

خطوة 36.2.1

ألغِ العامل المشترك.

$\frac{1}{8} \sin (y) - \frac{\sin^{3} (\frac{2 y}{2})}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{16} + \frac{3}{8} \sin (\frac{2 y}{2}) + C$

خطوة 36.2.2

اقسِم $y$ على $1$ .

$\frac{1}{8} \sin (y) - \frac{\sin^{3} (y)}{24} + \frac{6 y}{32} + \frac{3}{32} \sin (\frac{4 y}{2}) + \frac{2 y}{16} + \frac{3}{8} \sin (\frac{2 y}{2}) + C$

خطوة 36.3

احذِف العامل المشترك لـ $6$ و $32$ .

انقر لعرض المزيد من الخطوات...

خطوة 36.3.1

أخرِج العامل $2$ من $6 y$ .

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

خطوة 36.3.2

ألغِ العوامل المشتركة.

انقر لعرض المزيد من الخطوات...

خطوة 36.3.2.1

أخرِج العامل $2$ من $32$ .

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

خطوة 36.3.2.2

ألغِ العامل المشترك.

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

خطوة 36.3.2.3

أعِد كتابة العبارة.

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

خطوة 36.4

احذِف العامل المشترك لـ $4$ و $2$ .

انقر لعرض المزيد من الخطوات...

خطوة 36.4.1

أخرِج العامل $2$ من $4 y$ .

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

خطوة 36.4.2

ألغِ العوامل المشتركة.

انقر لعرض المزيد من الخطوات...

خطوة 36.4.2.1

أخرِج العامل $2$ من $2$ .

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

خطوة 36.4.2.2

ألغِ العامل المشترك.

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

خطوة 36.4.2.3

أعِد كتابة العبارة.

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

خطوة 36.4.2.4

اقسِم $2 y$ على $1$ .

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

خطوة 36.5

احذِف العامل المشترك لـ $2$ و $16$ .

انقر لعرض المزيد من الخطوات...

خطوة 36.5.1

أخرِج العامل $2$ من $2 y$ .

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

خطوة 36.5.2

ألغِ العوامل المشتركة.

انقر لعرض المزيد من الخطوات...

خطوة 36.5.2.1

أخرِج العامل $2$ من $16$ .

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

خطوة 36.5.2.2

ألغِ العامل المشترك.

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

خطوة 36.5.2.3

أعِد كتابة العبارة.

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

خطوة 36.6

ألغِ العامل المشترك لـ $2$ .

انقر لعرض المزيد من الخطوات...

خطوة 36.6.1

ألغِ العامل المشترك.

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

خطوة 36.6.2

اقسِم $y$ على $1$ .

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

خطوة 36.7

أعِد ترتيب الحدود.

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