Example 2

Write the parametric equations x= 3 cos(t) and y=5 sin(t) in Cartesian form, then graph the equation.
1. To write a set of parametric equations in Cartesian form, eliminate the parameter. 2. Substitute the values of sine and cosine into the Pythagorean Identity. 3. Graph the equation. This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.