Flower type figure in MATLAB (with concept of unit circle plotting in MATLAB)

MATLAB Program:

t=0:0.001:2*pi;

x=cos(t);

y=sin(t);

t=x.*y;

plot(x,y,'g','linewidth',8);

hold on;

plot(x,t,'r','linewidth',8);

hold on;

plot(t,x,'b','linewidth',8);

hold on;

axis square

hold on;

t=x.*0.5.*y;

plot(t,x,'c','linewidth',8);

hold on;

plot(x,t,'m','linewidth',8);

hold on;

plot(t,x,'c','linewidth',8);