Trigonometry Examples

$12 \cos^{2} (x - 9) = 0$

Step 1

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

$x \approx 1.14601836, 4.28761101, - 5.13716694, 7.42920367, - 8.27875959, 10.57079632, - 11.42035224$

Step 2