How do i convert cartesian coordinates to polar coordinates?

The Cartesian coordinates of a point are (x, y).
'x' and 'y'are both distances.

The polar coordinates of the same point are  (R, A).
'R' is a distance.  'A' is an angle.

How to find 'R' and 'A' when you know 'x' and 'y' :

R = distance of the point from the origin = square root of (x² + y²)

A = angle clockwise from the x-axis to the point = angle whose tangent is (y/x)



If you HAVE the polar coordinates and you want to find the Cartesian ones,
then do it like this:

You have  (R, A) .

You want to find 'x' and 'y' .

x = R cos(A)

y = R sin(A)

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