Solve the Equation on the Interval $$0 \leq \theta < 2 \pi$$

question 304

Multiple Choice

Solve the equation on the interval $$0 \leq \theta < 2 \pi$$
- $2 \cos \theta + 1 = 0$

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

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