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Polar Coordinate

A polar coordinate is a two-dimensional coordinate system in which each point is determined by its distance from a fixed point (called the origin) and its angle measured from a fixed direction (usually the positive x-axis).

Usage:

As a noun:

1. A polar coordinate is often used in mathematics and physics to describe the location of a point in a plane.
2. It is important to understand how to convert between polar coordinates and Cartesian coordinates.

As an adjective:

1. The polar coordinate system is widely used in various scientific disciplines.
2. In astronomy, celestial objects are often represented using polar coordinate systems.

Examples:

Noun usage:

1. The point (3, 45°) can be represented as a polar coordinate.
2. She plotted the polar coordinates on the graph.

Adjective usage:

1. The astronomer used a telescope equipped with a polar coordinate tracking system.
2. Scientists rely on polar coordinate measurements to accurately describe the position of objects in space.

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