Hi can someone show the step-by-step answer to this question? Please show the solution on each number and the answer of it, also please write it clearly and understandable.

1. ) Which of the following is the solution of | cosu du ? A. sinu + C B. cos u + C C. CSC2 + C D. secu + tanu + C 2.) Which of the following is the solution of | sinu du ? A. cos u + C B. -cos u + C C. CSC2 + C D. secu + tanu + C 3.) Which of the following is the solution of ( secu du ? A. sinu + C B. cos u + C C. CSC2 + C D. tan u + C 4.) Which of the following is the solution of ( csc u du ? A. sin u + C B. cos u + C C. CSC2 + C D. cotu + C 5.) Which of the following is the solution of | secu tanu du A. sinu + C B. sec2 u + C C. - CSC + C D. secu + C 6.) Which of the following is the solution of | escu cotu du A. sinu + C B. sec2 u + C C. - csc + C D. secu + C 7.) Which of the following is the solution of | tan? x dx ? A. tan x + C B. tan x +x+ CC. -tan x- x + CD. tan x- x + C 8.) Which of the following is the solution of ( x2 sin x3 dx ? A. 3 cos x' + C B. - cos x' + CC. ~ sin x' + C D. 3 sin x' + C 9.) Which of the following is the solution of | Vcos 2x sin 2xdx ? A. - (cos 2x) 3/2 + C C. (cos 2x)/2 + C B. (sin 2x)3/2+ C D. (sin 2x)3 /2 + C