Trigonometry Examples

$\frac{π}{2}$

Step 1

Take the cosine of $\frac{π}{2}$ .

$\cos (\frac{π}{2})$

Step 2

The exact value of $\cos (\frac{π}{2})$ is $0$ .

$0$

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