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Graphing Equations

In algebra, we learned how to graph a function in a rectangular plane. In this lesson, we will focus on sketching a function in a polar plane. To do so, we must first to learn how to convert a function from rectangular to polar form by following these steps:

  1. Replace x and y by r (cos a) and r (sin a).
  2. Simplify the function and combine like terms, if necessary.