Find the polar equation for the curve represented by the given cartesian equation x+y=4

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looly565 looly565

03-12-2017
Mathematics

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Find the polar equation for the curve represented by the given cartesian equation x+y=4

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Which two numbers have a difference of 5 and a product of 3.36???

altavistard altavistard · Answer 1 · 2017-12-03T18:47:17+01:00

altavistard altavistard

03-12-2017

Remember that x =r cos theta and y = r sin theta. Thus,

x + y = r (cos theta + sin theta) = 4, or

r (cos theta + sin theta) = 4, or
4
r = -------------------------------
cos theta + sin theta

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