parametrics

[main spoke]

Cartesian equation must only have variables x and y only

You got a cos^2t

[hybrid bone]

no it's cos 2t

[main spoke]

I’m talking about this bit

[hybrid bone]

nvm i got it

[main spoke]

You cant have anything in terms of t in your eqn

[hybrid bone]

i wrote it in as 1-sin^2t

then i just did 1 - 2 sin^2t

then x = sin t

[main spoke]

Noice

[hybrid bone]

so i just squared x and substituted it

is that correct