Graph the pair of polar equations on a calculator, together on the same screen, and use the trace feature to estimate the polar coordinates of all points of intersection of the curves. Round to the nearest hundredth, if necessary.r = 9, r = 9 + sin ?
A. (0, 0), (9, 0), (9, 3.14)
B. (0, 0), (0, 9), (3.14, 9)
C. (9, 0), (9, 3.14)
D. (0, 9), (3.14, 9)
Answer: C
Mathematics
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