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.

$x \approx - 1.25235323, 2.13333225, 3.59530486$

Step 2

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