Trigonometry Examples

$\cos (2 x) \sin (5 x) = \frac{1}{2} \cdot (\sin (7 x) + \sin (3 x))$

Step 1

The provided equation is an identity.

$\cos (2 x) \sin (5 x) = \frac{1}{2} \cdot (\sin (7 x) + \sin (3 x))$ is an identity