Posted by casey on Monday, April 18, 2011 at 10:18pm.
convert the polar equation r^2=2cos^2theta + 3sin^2theta into a rectangular equation

trigonometry  Mgraph, Monday, April 18, 2011 at 10:53pm
Multiply both sides by r^2:
r^4=r^2(2cos^2(theta)+3sin^2(theta))
(r^2)^2=2(r*cos(theta))^2+3(r*sin(theta)^2
(x^2+y^2)^2=2x^2+3y^2