Question

how do you find the parametric equation of a cycloid?

Answer 1

Mmmm I'm not too familiar with the cycloid myself.
But here are some resources you could check.

Lecture 5, starting around 40 minutes:
http://www.youtube.com/watch?v=57jzPlxf4fk

And then theres a bunch more talk about the cycloid in lecture 6 as well:
http://www.youtube.com/watch?v=0D4BbCa4gHo

Answer 2

Err maybe around 33 minutes in lecture 5. I dunno, maybe it will help :3

Answer 3

thanks :)