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polar angle

noun, Mathematics
1.
See under polar coordinates.

polar coordinate

noun, Mathematics
1.
Usually, polar coordinates. one of two coordinates used to locate 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 of polar coordinate
1810-1820
1810-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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7
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