Trigonometry Examples

$\sin (4 x) = 8 \cos^{3} (x) \sin (x) - 4 \cos (x) \sin (x)$

Step 1

The provided equation is an identity.

$\sin (4 x) = 8 \cos^{3} (x) \sin (x) - 4 \cos (x) \sin (x)$ is an identity

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$