Trigonometry Examples

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

Step 1

The provided equation is an identity.

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