- (A) Represent the coordinates parametrically as (r cos θ, r sin θ). Then
Note that sin 2θ, and evaluate (Alternatively, write x = cos 2θ cos θ and y
= cos 2θ sin θ to find )
Note that sin 2θ, and evaluate (Alternatively, write x = cos 2θ cos θ and y
= cos 2θ sin θ to find )