Solve the equation for ? if 
. Give your answer in degrees.
?
sin 2? + cos ? = 0
?
A. 90°, 210°, 270°, 330°
B. 30°, 90°, 150°, 270°
C. 0°, 120°, 180°, 240°
D. 210°, 330°
E. 0°, 60°, 180°, 300°
Answer: A
Mathematics
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