Algebra Examples

$\cos (\frac{a}{2}) = \sqrt{\frac{1 - \cos (a)}{2}}$

Step 1

The provided equation is not an identity.

$\cos (\frac{a}{2}) = \sqrt{\frac{1 - \cos (a)}{2}}$ is not an identity

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