Precalculus Examples

$2 + \sin (\frac{π}{2})$

Step 1

The exact value of $\sin (\frac{π}{2})$ is $1$ .

$2 + 1$

Step 2

Add $2$ and $1$ .

$3$

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