Precalculus Examples

$\cot^{4} (x) - 1 = \cot^{2} (x) \csc^{2} (x) - \csc^{2} (x)$

Step 1

The provided equation is an identity.

$\cot^{4} (x) - 1 = \cot^{2} (x) \csc^{2} (x) - \csc^{2} (x)$ is an identity