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parametric plot (16 sin(t)^3, 13 cos(t) - 5 cos(2t) - 2 cos(3t) - cos(4t)) from t=0 to 2pi
parametric plot (16 sin(t)^3, 13 cos(t) - 5 cos(2t) - 2 cos(3t) - cos(4t)) from t=0 to 2pi
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