Trigonometry Examples

$\cos^{2} (2 x) - \cos^{2} (6 x) = \sin (4 x) \sin (8 x)$

Step 1

Graph each side of the equation.

$y = \cos^{2} (2 x) - \cos^{2} (6 x)$

$y = \sin (4 x) \sin (8 x)$

Step 2

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