Trigonometry Examples

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

Step 1

The provided equation is an identity.

$\cos (x) - \frac{\cos (x)}{1 - \tan (x)} = \frac{\sin (x) \cos (x)}{\sin (x) - \cos (x)}$ is an identity