Assignment 1
Plot sin(x) in blue color along with linewidth as 3. 

Assignment 2
Plot the sine curve with green filled circles. \

Assignment 3
Plot the curve of x vs tan(x) in red dash line and linewidth 3. 

Assignment 4
Change the title of the figure such that the whole title is formatted in LaTeX style. 

Assignment 5
Set the x and y labels as "x" and "f(x)" in LaTeX style.
Since we need LaTeX style formatting, all we have to do is enclose the string in between two $.