Trigonometry Examples

$\tan (45 + a) - \tan (45 - a) = 2 \tan (2 a)$

Step 1

The provided equation is not an identity.

$\tan (45 + a) - \tan (45 - a) = 2 \tan (2 a)$ is not an identity

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