Precalculus Examples

$15 \tan (45)$

Step 1

The exact value of $\tan (45)$ is $1$ .

$15 \cdot 1$

Step 2

Multiply $15$ by $1$ .

$15$

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