Algebra Examples

$y = \cos (x)$

Step 1

Graph the equation in order to determine the intervals over which it is increasing or decreasing.

Decreasing on: $(- \infty, π n), (π n, \infty)$

Step 2

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