Mathematics, 30.07.2019 09:10, levelebeasley1

Why do the parametric equations x(t)=-cos(t) and y(t)=2sin(2t) equal the cartesian equation (x^2)+(1/2)y=1?

Why do the parametric equations x(t)=-cos(t) and y(t)=2sin(2t) equal the cartesian equation (x^2)+(1

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Why do the parametric equations x(t)=-cos(t) and y(t)=2sin(2t) equal the cartesian equation (x^2)+(1...