Trigonometry Examples

$2 \cos (x) - 1 = \sec (x)$

Step 1

The provided equation is not an identity.

$2 \cos (x) - 1 = \sec (x)$ is not an identity

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