(D) low call we adapt tile Ideas lin I tile salliple solution to develop a Illetfod th will give an upper bound for fo cos (x2) dx? (c) Use the ideas generated in part (b) to give an upper bound for the integral, th estimates the integral with an error no greater than 0.1. Justify your answ How many subintervals were needed? (d) Using the same type of reasoning developed in part (b), find a lower bou for the integral ff cos (x2) dx with an error no greater than 0.1. Justify yo answer. How many subintervals were needed