Trigonometry Examples

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

Step 1

The provided equation is not an identity.

$\sin (\frac{x}{2}) = - \cos (\frac{x}{2})$ is not an identity

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