Polar

Circle in polar coordinates

Circle in polar coordinates

Functions in polar coordinates The equation of a circle of radius R, centered at the origin, however, is x2+y2=R2 in Cartesian coordinates, but just r=R in polar coordinates.

  1. Is the unit circle in polar coordinates?
  2. What is unit circle in a polar plot?

Is the unit circle in polar coordinates?

Plotting Points Using Polar Coordinates

The polar grid is scaled as the unit circle with the positive x –axis now viewed as the polar axis and the origin as the pole. The first coordinate r is the radius or length of the directed line segment from the pole.

What is unit circle in a polar plot?

Plotting Points Using Polar Coordinates

The polar grid is represented as a series of concentric circles radiating out from the pole, or the origin of the coordinate plane. The polar grid is scaled as the unit circle with the positive x-axis now viewed as the polar axis and the origin as the pole.

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