Part 2: Show your work as indicated for each of the following problems. 6. Set up, but do not evaluate, the integral needed to find the area enclosed by y = 2 cos x and y = 2 sin 2x from [-] 5 pts btuall on to lie q In the 7. Find the exact area enclosed by x = 9 y and x = y 9 Show all of your work. buod noisy zig e antibles ya beny bilez and to sr E= -/3 -/6 91 / 8. Find the exact average value of f(x) = x4+ 2x2 on the interval [1,3]Jagds Show all of your work. 9 pts 9 pts