Trigonometry Examples

$6 \cos (x + \frac{11 π}{6}) - 6 \cos (x - \frac{11 π}{6}) = - 6$

Step 1

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

$x = \frac{3 π}{2} + 2 π n$ , for any integer $n$

Step 2