Trigonometry Examples

$\cos (\frac{5 x}{2}) - \cos (\frac{15 x}{2})$

Step 1

Graph.

$\cos (\frac{5 x}{2}) - \cos (\frac{15 x}{2})$

Step 2

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