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 = 7, r = 4 + 3 sin ?
A. (1.57, 7)
B. (7, 1.57), (7, 4.712)
C. (7, 3.14)
D. (7, 1.57)
Answer: D
Mathematics
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