Polar coordinate

In mathematics, the polar coordinate system is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a fixed point and an angle from a fixed direction. To convert polar into rectangular form we need to know that x=r*cosine-data and y=r*sine-data. If data is greater than zero then the graph is counterclockwise, if the data is less than zero than the graph is clockwise. I also acknowledged Cardioids: these have a graph that is vaguely heart shaped and always contain the origin and Limacons with an inner loop: these will have an inner loop and will always contain the origin.Limacons without an inner loop: these do not have an inner loop and do not contain the origin.