Trigonometry Examples

$\sin (- π)$

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

$\sin (0)$

The exact value of $\sin (0)$ is $0$ .

$0$

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