Let s be a real number corresponding to the point (a, b) on the unit circle. Use this information to determine the sine and cosine of the real number.s + ?
A. sin (s + ?) = b, cos (s + ?) = a
B. sin (s + ?) = -a, cos (s + ?) = -b
C. sin (s + ?) = a, cos (s + ?) = b
D. sin (s + ?) = -b, cos (s + ?) = -a
Answer: D
Mathematics
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