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Find an Equivalent Equation in Polar Coordinates x2+y2−4x=0x ^ { 2 } + y ^ { 2 } - 4 x = 0

Question 323

Multiple Choice

Find an equivalent equation in polar coordinates.
- x2+y2−4x=0x ^ { 2 } + y ^ { 2 } - 4 x = 0


A) rsin⁡2θ=4cos⁡θr \sin ^ { 2 } \theta = 4 \cos \theta
B) rcos⁡2θ=4sin⁡θr \cos ^ { 2 } \theta = 4 \sin \theta
C) r=4cos⁡θr = 4 \cos \theta
D) r=4sin⁡θr = 4 \sin \theta

Correct Answer:

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