Trigonometry Examples

$2 \sin^{2} (\frac{x}{4}) - 3 \cos (\frac{x}{4}) = 0$

Step 1

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

$x \approx - 46.07669225, - 29.32153143, - 20.94395102, - 4.1887902, 4.1887902, 20.94395102, 29.32153143, 46.07669225$

Step 2