Trigonometry Examples

$\cos (x) = - \frac{\sqrt{3}}{2}$

Step 1

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

$x = \frac{5 π}{6} + 2 π n, \frac{7 π}{6} + 2 π n$ , for any integer $n$

Step 2