Algebra Examples

$\cos (4 x) = \frac{1}{2}$

Step 1

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x = \frac{π}{12} + \frac{π n}{2}, \frac{5 π}{12} + \frac{π n}{2}$ , for any integer $n$

Step 2