Precalculus Examples

$\tan (2 x) - \tan (x) = \tan (x) \sec (2 x)$

Step 1

The provided equation is an identity.

$\tan (2 x) - \tan (x) = \tan (x) \sec (2 x)$ is an identity

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