Trigonometry Examples

$\frac{\cos (4 x) - \cos (2 x)}{2 \cdot \sin (3 x)} = - \sin (x)$

Step 1

The provided equation is an identity.

$\frac{\cos (4 x) - \cos (2 x)}{2 \cdot \sin (3 x)} = - \sin (x)$ is an identity