Lesson: Conversion between Rectangular and Polar Equations
In this lesson, we will learn how to convert equations from polar to rectangular form and vice versa.
Sample Question Videos
Worksheet: 15 Questions • 5 Videos
Multiply both sides of the equation through by .
Use the fact that to simplify the expression.
Given that and , we can use the Pythagorean theorem to show that . Use this to eliminate the in the previous expression.
Convert into cartesian form.
First, use the fact that to eliminate .
Now, use the fact that to eliminate .
Finally, make the subject.