Asked by Kathy

Write the polar equation in rectangular form r=-12 sinè
Answered by Reiny
You should know that
r^2 = x^2 + y^2 and sinØ = y/r

so in r = - 12sinØ
r = -12y/r
r^2 = -12y
x^2 + y^2 = -12y
Answered by Katie
x^2+y^2-4x-12y+31=0
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