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Solve the Equation in the Interval [0°, 360°) 2cos2θ+7sinθ=52 \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.
- 2cos2θ+7sinθ=52 \cos 2 \theta + 7 \sin \theta = 5


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

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