Give the degree measure of .
-$$\theta = \arctan \left( \frac { \sqrt { 3 } } { 3 } \right)$$
A) $- 30 ^ { \circ }$
B) $330 ^ { \circ }$
C) $150 ^ { \circ }$
D) $30 ^ { \circ }$

Question

Quizplus · Accepted Answer

The value of $\tan^{-1}\left(\frac{\sqrt{3}}{3}\right)$ is equivalent to $\tan^{-1}\left(\frac{1}{\sqrt{3}}\right)$, which corresponds to $30^\circ$ because $\tan(30^\circ) = \frac{1}{\sqrt{3}}$.

Give the Degree Measure of θ=arctan⁡(33)\theta = \arctan \left( \frac { \sqrt { 3 } } { 3 } \right)θ=arctan(33​​)

Give the Degree Measure of $\theta = \arctan \left( \frac { \sqrt { 3 } } { 3 } \right)$