Trigonometry Examples

$2 \cos^{2} (t) - 7 \cos (t) + 3 = 0$

Step 1

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

$t = \frac{π}{3} + 2 π n, \frac{5 π}{3} + 2 π n$ , for any integer $n$

Step 2