Coordinate System, Polar
The polar coordinate system is an adaptation of the two-dimensional coordinate system invented in 1637 by French mathematician René Descartes (1596–1650). Severa...
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Polar Coordinates
One of the several systems for addressing points in the plane is the polar-coordinate system. In this system a point P is identified with an ordered pair (r,) where r is a distance a...
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Coordinate System, Polar
Polar Coordinates