Question 32 (1 point)
Given $\cos θ = - \frac{\sqrt{3}}{2}$ , determine all possible values of $θ$ , if $0 \leq θ \leq 360^{\circ}$ .
$θ = 150^{\circ}, θ = 210^{\circ}$
$θ = 120^{\circ}, θ = 240^{\circ}$
$θ = 240^{\circ}, θ = 300^{\circ}$
$θ = 330^{\circ}, θ = 210^{\circ}$

Answer

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Answer

The possible values of $θ$ are $150^{\circ}$ and $210^{\circ}$ .

Steps

Step 1 ：Given $\cos θ = - \frac{\sqrt{3}}{2}$ , determine all possible values of $θ$ , if $0 \leq θ \leq 360^{\circ}$ .

Step 2 ：The possible values of $θ$ are $150^{\circ}$ and $210^{\circ}$ .