Trigonometry Examples

$\cos (π + x) + \sin (x - \frac{π}{2}) = 1$

Step 1

Graph each side of the equation.

$y = \cos (π + x) + \sin (x - \frac{π}{2})$

$y = 1$

Step 2

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