Precalculus Examples

$\arcsin (\cos (0))$

Step 1

The exact value of $\cos (0)$ is $1$ .

$\arcsin (1)$

Step 2

The exact value of $\arcsin (1)$ is $90$ .

$90$

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