A set of coordinates in which a point is represented by an ordered pair (r, θ) where "r" represents the distance from the origin to the point and "θ" represents the angle between the positive x-axis and a line connecting the origin and the point.
A set of coordinates in which a point is represented by an ordered pair (r, θ) where "r" represents the distance from the origin to the point and "θ" represents the angle between the positive x-axis and a line connecting the origin and the point.