Trigonometry Examples

$x - 4 \cos (x) = 0$

Step 1

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

$x \approx - 3.59530486, - 2.13333225, 1.25235323$

Step 2

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