# Definition of *polar coordinates* in English:

## polar coordinates

Syllabification: po·lar co·or·di·nates### noun

*Geometry*

- 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.More 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 this system.More example sentences
- Since the profile is a curved shape, it's much easier mathematically to use what are known as as polar coordinates.

## More definitions of **polar coordinates**

Definition of **polar coordinates**in:

- The British & World English dictionary