Trigonometry Examples

$\tan (\frac{x}{2}) = \frac{1 - \cos (x)}{\sin (x)}$

Step 1

The provided equation is an identity.

$\tan (\frac{x}{2}) = \frac{1 - \cos (x)}{\sin (x)}$ is an identity

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