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Design 5
on 8 Oct 2021
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t=linspace(0,1,10000);
x=cos(4*pi*t).*cos(2*pi*t)+cos(2*pi*70*t)-1;
y=cos(4*pi*t).*sin(2*pi*t)+sin(2*pi*70*t);
plot(x,y,'linewidth',1)
axis square off