Precalculus Examples

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

Step 1

The provided equation is not an identity.

$\tan (\frac{a}{2}) = \frac{\tan (a)}{\sec (a + 1)}$ is not an identity

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