x = 0:pi/100:2*pi; y1 = sin(x); y2 = sin(x-0.25); y3 = sin(x-0.5); figure plot(x,y1,x,y2,'--',x,y3,':') 

I need to know how to plot these values into microsoft excel. I need a graph, can you show how to get the graph and the steps on excel to make this graph?