حساب المثلثات الأمثلة

$\frac{\cos (x)}{1 - \tan (x)} + \frac{\sin (x)}{1 - \cot (x)}$

خطوة 1

بسّط كل حد.

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خطوة 1.1

أعِد كتابة $\tan (x)$ من حيث الجيوب وجيوب التمام.

$\frac{\cos (x)}{1 - \frac{\sin (x)}{\cos (x)}} + \frac{\sin (x)}{1 - \cot (x)}$

خطوة 1.2

أعِد كتابة $\cot (x)$ من حيث الجيوب وجيوب التمام.

$\frac{\cos (x)}{1 - \frac{\sin (x)}{\cos (x)}} + \frac{\sin (x)}{1 - \frac{\cos (x)}{\sin (x)}}$

خطوة 2

لكتابة $\frac{\cos (x)}{1 - \frac{\sin (x)}{\cos (x)}}$ على هيئة كسر بقاسم مشترك، اضرب في $\frac{1 - \frac{\cos (x)}{\sin (x)}}{1 - \frac{\cos (x)}{\sin (x)}}$ .

$\frac{\cos (x)}{1 - \frac{\sin (x)}{\cos (x)}} \cdot \frac{1 - \frac{\cos (x)}{\sin (x)}}{1 - \frac{\cos (x)}{\sin (x)}} + \frac{\sin (x)}{1 - \frac{\cos (x)}{\sin (x)}}$

خطوة 3

لكتابة $\frac{\sin (x)}{1 - \frac{\cos (x)}{\sin (x)}}$ على هيئة كسر بقاسم مشترك، اضرب في $\frac{1 - \frac{\sin (x)}{\cos (x)}}{1 - \frac{\sin (x)}{\cos (x)}}$ .

$\frac{\cos (x)}{1 - \frac{\sin (x)}{\cos (x)}} \cdot \frac{1 - \frac{\cos (x)}{\sin (x)}}{1 - \frac{\cos (x)}{\sin (x)}} + \frac{\sin (x)}{1 - \frac{\cos (x)}{\sin (x)}} \cdot \frac{1 - \frac{\sin (x)}{\cos (x)}}{1 - \frac{\sin (x)}{\cos (x)}}$

خطوة 4

اكتب كل عبارة قاسمها المشترك $(1 - \frac{\sin (x)}{\cos (x)}) (1 - \frac{\cos (x)}{\sin (x)})$ ، بضربها في العامل المناسب للعدد $1$ .

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خطوة 4.1

اضرب $\frac{\cos (x)}{1 - \frac{\sin (x)}{\cos (x)}}$ في $\frac{1 - \frac{\cos (x)}{\sin (x)}}{1 - \frac{\cos (x)}{\sin (x)}}$ .

$\frac{\cos (x) (1 - \frac{\cos (x)}{\sin (x)})}{(1 - \frac{\sin (x)}{\cos (x)}) (1 - \frac{\cos (x)}{\sin (x)})} + \frac{\sin (x)}{1 - \frac{\cos (x)}{\sin (x)}} \cdot \frac{1 - \frac{\sin (x)}{\cos (x)}}{1 - \frac{\sin (x)}{\cos (x)}}$

خطوة 4.2

اضرب $\frac{\sin (x)}{1 - \frac{\cos (x)}{\sin (x)}}$ في $\frac{1 - \frac{\sin (x)}{\cos (x)}}{1 - \frac{\sin (x)}{\cos (x)}}$ .

$\frac{\cos (x) (1 - \frac{\cos (x)}{\sin (x)})}{(1 - \frac{\sin (x)}{\cos (x)}) (1 - \frac{\cos (x)}{\sin (x)})} + \frac{\sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 4.3

أعِد ترتيب عوامل $(1 - \frac{\sin (x)}{\cos (x)}) (1 - \frac{\cos (x)}{\sin (x)})$ .

$\frac{\cos (x) (1 - \frac{\cos (x)}{\sin (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})} + \frac{\sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 5

اجمع البسوط على القاسم المشترك.

$\frac{\cos (x) (1 - \frac{\cos (x)}{\sin (x)}) + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6

بسّط بَسْط الكسر.

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خطوة 6.1

طبّق خاصية التوزيع.

$\frac{\cos (x) \cdot 1 + \cos (x) (- \frac{\cos (x)}{\sin (x)}) + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.2

اضرب $\cos (x)$ في $1$ .

$\frac{\cos (x) + \cos (x) (- \frac{\cos (x)}{\sin (x)}) + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.3

أعِد الكتابة باستخدام خاصية الإبدال لعملية الضرب.

$\frac{\cos (x) - \cos (x) \frac{\cos (x)}{\sin (x)} + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.4

اضرب $- \cos (x) \frac{\cos (x)}{\sin (x)}$ .

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خطوة 6.4.1

اجمع $\frac{\cos (x)}{\sin (x)}$ و $\cos (x)$ .

$\frac{\cos (x) - \frac{\cos (x) \cos (x)}{\sin (x)} + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.4.2

ارفع $\cos (x)$ إلى القوة $1$ .

$\frac{\cos (x) - \frac{\cos^{1} (x) \cos (x)}{\sin (x)} + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.4.3

ارفع $\cos (x)$ إلى القوة $1$ .

$\frac{\cos (x) - \frac{\cos^{1} (x) \cos^{1} (x)}{\sin (x)} + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.4.4

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

$\frac{\cos (x) - \frac{{\cos (x)}^{1 + 1}}{\sin (x)} + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.4.5

أضف $1$ و $1$ .

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) (1 - \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.5

طبّق خاصية التوزيع.

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) \cdot 1 + \sin (x) (- \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.6

اضرب $\sin (x)$ في $1$ .

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) + \sin (x) (- \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.7

أعِد الكتابة باستخدام خاصية الإبدال لعملية الضرب.

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) - \sin (x) \frac{\sin (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.8

اضرب $- \sin (x) \frac{\sin (x)}{\cos (x)}$ .

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خطوة 6.8.1

اجمع $\frac{\sin (x)}{\cos (x)}$ و $\sin (x)$ .

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) - \frac{\sin (x) \sin (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.8.2

ارفع $\sin (x)$ إلى القوة $1$ .

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) - \frac{\sin^{1} (x) \sin (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.8.3

ارفع $\sin (x)$ إلى القوة $1$ .

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) - \frac{\sin^{1} (x) \sin^{1} (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.8.4

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

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) - \frac{{\sin (x)}^{1 + 1}}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 6.8.5

أضف $1$ و $1$ .

$\frac{\cos (x) - \frac{\cos^{2} (x)}{\sin (x)} + \sin (x) - \frac{\sin^{2} (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7

بسّط بَسْط الكسر.

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خطوة 7.1

أخرِج العامل $\cos (x)$ من $\cos^{2} (x)$ .

$\frac{\cos (x) - \frac{\cos (x) \cos (x)}{\sin (x)} + \sin (x) - \frac{\sin^{2} (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.2

افصِل الكسور.

$\frac{\cos (x) - (\frac{\cos (x)}{1} \cdot \frac{\cos (x)}{\sin (x)}) + \sin (x) - \frac{\sin^{2} (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.3

حوّل من $\frac{\cos (x)}{\sin (x)}$ إلى $\cot (x)$ .

$\frac{\cos (x) - (\frac{\cos (x)}{1} \cot (x)) + \sin (x) - \frac{\sin^{2} (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.4

اقسِم $\cos (x)$ على $1$ .

$\frac{\cos (x) - (\cos (x) \cot (x)) + \sin (x) - \frac{\sin^{2} (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.5

أخرِج العامل $\sin (x)$ من $\sin^{2} (x)$ .

$\frac{\cos (x) - \cos (x) \cot (x) + \sin (x) - \frac{\sin (x) \sin (x)}{\cos (x)}}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.6

افصِل الكسور.

$\frac{\cos (x) - \cos (x) \cot (x) + \sin (x) - (\frac{\sin (x)}{1} \cdot \frac{\sin (x)}{\cos (x)})}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.7

حوّل من $\frac{\sin (x)}{\cos (x)}$ إلى $\tan (x)$ .

$\frac{\cos (x) - \cos (x) \cot (x) + \sin (x) - (\frac{\sin (x)}{1} \tan (x))}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 7.8

اقسِم $\sin (x)$ على $1$ .

$\frac{\cos (x) - \cos (x) \cot (x) + \sin (x) - \sin (x) \tan (x)}{(1 - \frac{\cos (x)}{\sin (x)}) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 8

بسّط القاسم.

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خطوة 8.1

حوّل من $\frac{\cos (x)}{\sin (x)}$ إلى $\cot (x)$ .

$\frac{\cos (x) - \cos (x) \cot (x) + \sin (x) - \sin (x) \tan (x)}{(1 - \cot (x)) (1 - \frac{\sin (x)}{\cos (x)})}$

خطوة 8.2

حوّل من $\frac{\sin (x)}{\cos (x)}$ إلى $\tan (x)$ .

$\frac{\cos (x) - \cos (x) \cot (x) + \sin (x) - \sin (x) \tan (x)}{(1 - \cot (x)) (1 - \tan (x))}$