Hey, I just found this forum and I could use some help

The directions read: r(t) is the position of a particle in the xy-plane at time t. Fomd am equation in x and y whose graph is the path of the particle.

the original problem: r(t) = (cos2t)i + (3sin2t)j

so far, I have:

x = cos2t

y = 3sin2t

Now I know i have to set they equal to each other, but I can't seem to figure out how to solve one of them for t. Any help would be much appreciated!

Thanks!