Precalculus Examples

$\sin (2 a) = 2 \sin (a)$

Step 1

The provided equation is not an identity.

$\sin (2 a) = 2 \sin (a)$ is not an identity

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