Trigonometry Examples

$\cos (3 x) + 0.5 x = 0$

Step 1

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

$x \approx - 0.44825034, 0.63050663, 1.32860873$

Step 2

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$