SOLUTION: What is expression of the equation r = 2SinQ - CosQ in rectangular co ordinates?

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Question 1172378: What is expression of the equation r = 2SinQ - CosQ in rectangular co ordinates?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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HINT :


        sin(Q) = y%2Fsqrt%28x%5E2+%2B+y%5E2%29;     cos(Q) = x%2Fsqrt%28x%5E2+%2B+y%5E2%29.