Trigonometry Examples

$2 \cos (\frac{π}{2})$

Step 1

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

$2 \cdot 0$

Step 2

Multiply $2$ by $0$ .

$0$

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