Precalculus Examples

$\arctan (\frac{2 π}{3})$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\arctan (\frac{2 π}{3})$

Decimal Form:

$1.12533883 \dots$

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