Find the equation in and for the curve given parametrically
by and , where . What type of
curve is it?
So I've written that and .
If I substitute that in .
But that's where I get stuck..I'm not sure if I've even started correctly. What do you with the fact they've told you that ?
Any help would be greatly appreciated!!
List of trigonometric identities - Wikipedia, the free encyclopedia
It's not a correct solution though (one of the equivalence signs are wrong), since we lost all the negative y values.