Precalculus Examples

$\arctan (\tan (30))$

Step 1

The exact value of $\tan (30)$ is $\frac{\sqrt{3}}{3}$ .

$\arctan (\frac{\sqrt{3}}{3})$

Step 2

The exact value of $\arctan (\frac{\sqrt{3}}{3})$ is $30$ .

$30$