Precalculus Examples

$\cos (2 k π - θ) (- \sin (2 k π - θ))$

Step 1

Rewrite using the commutative property of multiplication.

$- \cos (2 k π - θ) \sin (2 k π - θ)$

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