Precalculus Examples

$\frac{\sin (2 a)}{1 + \cos (2 a)} = \tan (a)$

Step 1

The provided equation is an identity.

$\frac{\sin (2 a)}{1 + \cos (2 a)} = \tan (a)$ is an identity

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