5111(29) d. Show all work involved. aiu'w) + ooo'w) a) Evaluate the integral f b} Give an example of a trigonometric integral that you think is especially challenging, and show how to solve it. {T his is ideally something you make up yourself that is different from examples enoountered in class, the homework; and the textbook. If you nd an example online you want to use, you must cite the website where you found it.}