Heart Curve/Formulation 3

Theorem

 * $\begin{cases}

x = & \sin t + \cos t + \ln \left\lvert{t}\right\vert \\ y = & \left\lvert{t}\right\vert^{0.3} \sqrt {\cos t} \end{cases}$ where $-1 \le t \le 1$.


 * HeartCurve3.png