Precalculus Examples

$\sin (3 u) = 3 \cos^{2} (u) \sin (u) - \sin^{3} (u)$

Step 1

The provided equation is an identity.

$\sin (3 u) = 3 \cos^{2} (u) \sin (u) - \sin^{3} (u)$ is an identity

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