The questions are in the photos below: I would like them all solved correctly.

Question 12 Find the volume of the solid obtained when the region under the curve f (x) = sin(x) from x = 0 to x = > is rotated about Not yet answered the x-axis. Marked out of Hint: You will find the following double angle formula useful: 1.00 Flag sin?(x) = - 7cos(2x) question Volume =Question 9 Not yet answered Marked out of 1.00 F Flag question Evaluate the following improper integral. fdlj Question 10 Consider the following improper integral: Not yet answered dx Marked out of 1.00 Does this integral converge? Flag question O(No answer given) OYes ONOQuestion 11 Find the volume of the solid obtained when the region under the curve f(x) = \\x from x = 0 to x = 2 is rotated about the Not yet X-axis. answered Marked out of Volume = 1.00 Flag