Find the Value of the Unique Real Number Between 0 $\cos \theta = - \frac { 1 } { 2 }$

question 236

Multiple Choice

Find the value of the unique real number between 0 and 2 that satisfies the given conditions.
- $\cos \theta = - \frac { 1 } { 2 }$ and $\sin \theta < 0$

• A) \(\frac { 5 \pi } { 6 }\)
• B) \(\frac { 4 \pi } { 3 }\)
• C) \(\frac { 7 \pi } { 6 }\)
• D) \(\frac { 2 \pi } { 3 }\)

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Definitions:

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