Trigonometry Examples

$\sin (3 x) \cos (x) - \cos (3 x) \sin (x) = \frac{\sqrt{2}}{2}$

Step 1

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

$x = \frac{π}{8} + π n, \frac{3 π}{8} + π n$ , for any integer $n$

Step 2