Trigonometry Examples

$\sin^{2} (x) = 2 - 2 \cos (x)$

Step 1

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

$x \approx 0, - 6.2828125, 6.2828125, - 12.565624\overline{9}, 12.565625, - 18.84\overline{9}, 18.85$

Step 2