Find All Values of θ, If θ Is in the Interval

Find all values of θ, if θ is in the interval [0, 360°) and has the given function value.
- $\cos \theta = \frac { \sqrt { 3 } } { 2 }$

A) $45 ^ { \circ }$ and $225 ^ { \circ }$
B) $30 ^ { \circ }$ and $330 ^ { \circ }$
C) $225 ^ { \circ }$ and $315 ^ { \circ }$
D) $135 ^ { \circ }$ and $225 ^ { \circ }$

Correct Answer:

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