Question

Eliminate the parameter.

x = 3 cos t, y = 3 sin t

Answer 1

@hartnn

Answer 2

@legomygeo180

Answer 3

@paki

Answer 4

@skullpatrol

Answer 5

@korosh23

Answer 6

x^2 = 9 cos^2 t
y^2 = 9 sin^2 t

Answer 7

now use the identity cos^2 t + sin^2 t = 1