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Polar Coordinates Sign Video

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Definition

The polar coordinates, the radial coordinate, and the angular coordinate are defined in terms of Cartesian coordinates by x = r Cos (o) y = r Sin (o) where is the radial distance from the origin, and is the counterclockwise angle from the x-axis.

Source: Wolfram MathWorld

Example

Graphic example: http://upload.wikimedia.org/wikipedia/commons/ b/b9/Point_in_Polar_coordinates.PNG

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