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Convert the Rectangular Equation to Polar Form (x2+y2)2=9(x2−y2)\left( x ^ { 2 } + y ^ { 2 } \right) ^ { 2 } = 9 \left( x ^ { 2 } - y ^ { 2 } \right)

Question 39

Multiple Choice

Convert the rectangular equation to polar form.Assume r > 1.​ (x2+y2) 2=9(x2−y2) \left( x ^ { 2 } + y ^ { 2 } \right) ^ { 2 } = 9 \left( x ^ { 2 } - y ^ { 2 } \right) ​


A) r2=9cos⁡2θr ^ { 2 } = 9 \cos 2 \theta
B) r2=9csc⁡2θr ^ { 2 } = 9 \csc 2 \theta
C) r2=9cos⁡θr ^ { 2 } = 9 \cos \theta
D) r2=9sin⁡2θr ^ { 2 } = 9 \sin 2 \theta
E) r2=9sin⁡θr ^ { 2 } = 9 \sin \theta

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