Calculus 2: Polar Coordinates (12 of 38) Find the Polar Equations

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In this video I will convert Cartesian coordinate equations into polar coordinate equations.

Next video in the series can be seen at:
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why r is not equal + or - 4 in second example ?

dinamustafa
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and in third example, is it possible that r is equal to zero and we can not divide by it?

dinamustafa