Trigonometry Examples

$\sin (5 x) + \sin (3 x) = \cos (4 x) + \cos (2 x)$

Step 1

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

$x \approx 0.22439947, - 0.67319842, 1.12199737, 1.57079632, - 1.57079632, 2.01959527, - 2.46839422$

Step 2