ATTENTION: Please upload all the .m files you used for the solution in option aand the answer to option b as a word document to the system in due time. Question: a) Solve cosx=2xy and cosxy=2x to 5 decimal places with an initial guess of xo=0.5 and yo=0.5 using proper method. ATTENTION: Please add a comment line to each line of code explaining what that line does. Hint: You can take tolerance value as 0.0001 if you need. b) Explain why you chose the method you will use