Plotting these sin waves.

Hello everyone and thanks in advance for help,I am new to matlab and i need to create plot which looks exactly like this and i dont know how

Answer 1

[Ethar Alkamil]

Try this:

i=1.2; Ur=2;

plot((0:360),sind((0:360))*Ur,'b'), axis([0 360 -Ur Ur])

hold on

plot((0:360),sind((0:360))*i,'r'), axis([0 360 -Ur Ur])