Trigonometry Examples

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

Step 1

The provided equation is not an identity.

$\frac{\sin (x)}{1 + \sin (x)} - \frac{\sin (x)}{1 - \sin (x)} = 2 \tan^{2} (x)$ is not an identity