Trigonometry Examples

$x = \arctan (\frac{- \sqrt{3}}{3})$

Step 1

Simplify $\arctan (\frac{- \sqrt{3}}{3})$ .

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Step 1.1

Move the negative in front of the fraction.

$x = \arctan (- \frac{\sqrt{3}}{3})$

Step 1.2

The exact value of $\arctan (- \frac{\sqrt{3}}{3})$ is $- \frac{π}{6}$ .

$x = - \frac{π}{6}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$x = - \frac{π}{6}$

Decimal Form:

$x = - 0.52359877 \dots$