Question: How do i plot a curve using a parametric plot

we have a curve (x^2+y^2)^2=x^2-y^2

parametric representation of the curve is given by

x(t)=cos(t)/1+sin^2(t)

y(t)=sin(t)cos(t)/1+sin^2(t)

 

and we are asked to plot the curve using a parametric plot for -Pi<t<Pi

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