Trigonometry Examples

$\cot (2 u) = \frac{\cot^{2} (u) + 1}{2 \cot (u)}$

Step 1

The provided equation is not an identity.

$\cot (2 u) = \frac{\cot^{2} (u) + 1}{2 \cot (u)}$ is not an identity

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