Trigonometry Examples

$4 \cos (x) \cos (2 x) \sin (x) = 1$

Step 1

Graph each side of the equation.

$y = 4 \cos (x) \cos (2 x) \sin (x)$

$y = 1$

Step 2

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