Polar Coordinate System
The Polar Coordinate System describes points in space using an angle and radius relative to the origin.
Convert Point From Polar Coordinates to Cartesian Coordinates
To convert a point from the Polar Coordinate System to the Cartesian Coordinate System you can use the definition of sine and cosine to solve for the x and y component of the corresponding point.
Memorize Unit Circle Chart
To memorize the unit circle chart, you can learn the positions of the points at the angles 30 degrees and 45 degrees, then use symmetry to fill in the rest of the points.