Like Cartesian coordinates, polar coordinates are used to identify the locations of points in the plane. The polar coordinate system will be useful for many problems you encounter at MIT, such as those involving circular motion or radial forces.
Lecture Video and Notes
Clip 1: Introduction to Polar Coordinates
Clip 2: Simple Examples in Polar Coordinates
Clip 3: Translating y = 1 into Polar Coordinates
Clip 4: Equation of an Off-Center Circle