Trigonometry Examples

$3 \cos (\frac{t}{3}) = 2$

Step 1

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

$t \approx - 40.22231785, - 35.17590583, - 21.37276193, - 16.32634991, - 2.52320601, 2.52320601, 16.32634991, 21.37276193, 35.17590583, 40.22231785$

Step 2