... Trigonometric Functions and Monomials (102 )x cos x dx = cos x + x sin x (103 )x cos ax dx =1a2cos ax +xasin ax (104 )x2cos x dx = 2x cos x +x2− 2sin x (105 )x2cos ax dx =2x cos ... copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ orsend a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California,9 4105 , USA.14 (108 )x ... ln |csc x −cot x|+ C 10 (98)csc2ax dx = −1acot ax(99)csc3x dx = −12cot x csc x +12ln |csc x −cot x| (100 )cscnx cot x dx = −1ncscnx, n = 0 (101 )sec x csc x dx...