Trigonometry Examples

$8 \cos (x) - 4 = 4 \cos (x)$

Step 1

Graph each side of the equation.

$y = 8 \cos (x) - 4$

$y = 4 \cos (x)$

Step 2

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