Question: What is the MatLab code to graph the lemniscate: r ^ 2 = 4 cos ( 2 theta ) I only need help with the

What is the MatLab code to graph the lemniscate:
r^2=4cos(2theta)
I only need help with the MATLAB code, and how to input this into that program. No hand calculations for the points, MATLAB only. Thanks!

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