Definition of polar coordinates in English:

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polar coordinates

plural noun

1A pair of coordinates locating the position of a point in a plane, the first being the length of the straight line (r) connecting the point to the origin, and the second the angle (θ) made by this line with a fixed line.
Example sentences
  • Cartesian and polar coordinates are great tools in the analytic geometry of the plane.
  • It was based on polar coordinates whereas earlier instruments were based on cartesian coordinates.
  • On page 149, Pesic mentions de Moivre's discovery of the formula (cos [theta] + i sin [theta]) n = cos n [theta] + i sin n [theta] and implies that to prove it one needs to think about complex numbers in polar coordinates.
1.1The coordinates in a three-dimensional extension of polar coordinates.
Example sentences
  • Since the profile is a curved shape, it's much easier mathematically to use what are known as as polar coordinates.
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