Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 6 sin ?
A. 
(x - 3)2 + y2 = 9; circle, radius 3,
center at (3, 0) in rectangular coordinates
B. 
x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular coordinates
C. 
x2 + (y - 3)2 = 9; circle, radius 3,
center at (0, 3) in rectangular coordinates
D. 
(x + 3)2 + y2 = 9; circle, radius 3,
center at (-3, 0) in rectangular coordinates
Answer: C
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