Trigonometry Examples

$2 \cos (x) - 1 = 0.3642$

Step 1

Graph each side of the equation.

$y = 2 \cos (x) - 1$

$y = 0.3642$

Step 2

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