18. (15.0score) Program to plot the following graphics. The requirements are as follows: 1) Divide the plotting window into left and right two sub areas 2) The Abscissa ranges of the left graphic and the right graphic are [0,], the ordinate The requirements are as follows: 1) Divide the plotting window into left and right two sub areas 2) The Abscissa ranges of the left graphic and the right graphic are [0,], the ordinate ranges of the left and right graphics are all [1,1] 3)The sine function graphic is marked with a black solid line and the Asterisk is selected as its identification. The cosine function graphic is marked with a red dot dash line, and the circle is selected as its identification; 4)The titles of the two graphics are 'graphic of sin' and 'graphic of cos' respectively; 5) Add a text ' sin(2x) in [pi/4,0] of the first second graphic