Hello,
Thanks for your help guys
I have another question. I'm a bit lost on this one. So an explanation of some steps would be great.
a) Find the catesian equation of the ellipse that P(2cosθ, sinθ) and Q(-2sinθ, cosθ) both belong to. (Done this one, it is x2/4 + y2=1)
b) The tangents at P...