SOLUTION: Write the rectangular equation x^2 + y^2 =4 in polar form

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Question 1035933: Write the rectangular equation x^2 + y^2 =4 in polar form
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Well, the short way is to realize that this is a circle of radius 2.
Thus the polar form is simply
r = 2.
The longer way is to substitute r cos(theta) for x and r sin(theta) for y and go from there...same result to be sure...