Solve the trigonometric equation symbolically, graphically, or numerically for 
= 0
A. ? = 45°, 135°, 225°, 315°
B. ? = 30°, 150°
C. ? = 60°, 120°, 240°, 300°
D. ? = 30°, 150°, 210°, 330°
Answer: C
Mathematics
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?
?
A. 
B. 
C. 
D. 
E. 
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___ 
A. < B. >
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