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1.

See under polar coordinates.

1.

a system of coordinates for locating a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)

Origin

1810-1820

Dictionary.com Unabridged

Based on the Random House Dictionary, © Random House, Inc. 2014.

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Based on the Random House Dictionary, © Random House, Inc. 2014.

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Examples for polar angle

- The other one is circles and radial lines which are drawn by the set grid
*polar angle*command.

British Dictionary definitions for polar angle

plural noun

1.

a pair of coordinates for locating a point in a plane by means of the length of a radius vector, r, which pivots about the origin to establish the angle, θ, that the position of the point makes with a fixed line. Usually written (r, θ) See also Cartesian coordinates, spherical coordinates

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition

© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Encyclopedia Article for polar angle

system of locating points in a plane with reference to a fixed point (origin) and an axis through that point. The coordinates are written (r,theta), in which r is the distance from the origin to any desired point and theta is the angle made by the vector r and the axis. A simple relationship exists between Cartesian coordinates given in terms of two reference axes (x,y) and the polar coordinates (r,theta), namely: x = r cos theta, and y = r sin theta

Learn more about polar coordinates with a free trial on Britannica.com

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.

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