Trigonometry Examples

$- 15 \cos (x) = - 5 \sec (x) - 10$

Step 1

The provided equation is not an identity.

$- 15 \cos (x) = - 5 \sec (x) - 10$ is not an identity

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