Algebra Examples

$\frac{\sin (x) - \sin (5 x)}{\cos (x) + \cos (5 x)} = \tan (3 x)$

Step 1

The provided equation is not an identity.

$\frac{\sin (x) - \sin (5 x)}{\cos (x) + \cos (5 x)} = \tan (3 x)$ is not an identity