Тригонометрия Примеры

$\sin (x) \cdot \cot (x)$

Step 1

Reorder $\sin (x)$ and $\cot (x)$ .

$\cot (x) \cdot \sin (x)$

Step 2

Rewrite $\sin (x) \cdot \cot (x)$ in terms of sines and cosines.

$\frac{\cos (x)}{\sin (x)} \sin (x)$

Step 3

Cancel the common factors.

$\cos (x)$

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