MaTlAb plotting problem. Please help me writing code for this problem. I want to have an idea and algorithm how to plot this.

3. (30 pts) Write a program that will reproduce the exact same plot as shown below. Note that these two plots are in the same figure. You should look into the function called "subplot" 0.5 -1 pir2 3pil2 2pi 0.5 0.5 pir2 3pil2 2pi .Go doc subplot and teach yourself subplot ); To modify x-axis, use these two commands: set (gca, "Tick' , 0: pi/2:2-pi) ; * To show Greek letter , use theta