Precalculus Examples

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

Step 1

The provided equation is an identity.

$\frac{1 + \sin (2 x)}{\cos (2 x)} = \frac{\cos (x) + \sin (x)}{\cos (x) - \sin (x)}$ is an identity