Precalculus Examples

$\arctan (\frac{20}{10})$

Step 1

Divide $20$ by $10$ .

$\arctan (2)$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\arctan (2)$

Decimal Form:

$1.10714871 \dots$

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