![]() ![]() So far, we’ve plotted points using rectangular (or Cartesian) coordinates, since the points since we are going back and forth $ x$ units, and up and down $ y$ units.\). We will look at polar coordinates for points in the xy-plane, using the origin (0 0) and the. polar coordinate system, gives the co-ordinates of a point with reference to a point O and a half line or ray starting at the point O. Also note that we discussed Parametric Equations here, which may seem similar to Polar Equations, since they both have applications in Trigonometry.) Plotting Points Using Polar Coordinates Polar Co-ordinates Polar to Cartesian coordinates Cartesian to Polar. (Note that we talk about converting back and forth from Polar Complex Form to Rectangular Complex form here in the Trigonometry and the Complex Plane section.
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