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parametric plot (cos t, ((2 - 2*(cos t)^2)*(1)^2 + (2*(cos t)^2 - 4)*(1)+ 1)sin t)
parametric plot (cos t, ((2 - 2*(cos t)^2)*(1)^2 + (2*(cos t)^2 - 4)*(1)+ 1)sin t)
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