Solve the Equation in the Interval [0°, 360°) $2 \cos 2 \theta + 7 \sin \theta = 5$

question 139

Multiple Choice

Solve the equation in the interval [0°, 360°) . Give solutions to the nearest tenth, if necessary.
- $2 \cos 2 \theta + 7 \sin \theta = 5$

• A) \(\left\{ 30 ^ { \circ } , 330 ^ { \circ } \right\}\)
• B) \(\left\{ 90 ^ { \circ } , 48.6 ^ { \circ } , 131.4 ^ { \circ } \right\}\)
• C) \(\left\{ 30 ^ { \circ } , 210 ^ { \circ } \right\}\)
• D) \(\varnothing\)

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