Trigonometry Examples

$\sin (3 x) - \sin (x) \div \cos (1^{2}) x - \sin (1^{2}) = 2 \sin (x)$

Step 1

The provided equation is not an identity.

$\sin (3 x) - \sin (x) \div \cos (1^{2}) x - \sin (1^{2}) = 2 \sin (x)$ is not an identity