ris ano ui,wmctric 'dntitieeV-u Giaibe 0 vanous ways to answer each item but you are asked to just present only one Helpful Hints: For#'s 2-5, no need to apply the substitution technique. As for Vs 6-10, you need to. 3 (cot xcsc x) dx 5 stnx dx 3. f (3x+--- rx)dx cos2 stn2xcos2x stn4xcos4x 2 tan cos2x cos x 4 7. fx2(7 + 3X3)7dx 4X2 dx 9. fx2 v'EFdx tan x 10. f cos2x dX Helpful Hint: For's 11 and 12, recall/apply thefive cases that we discusse TRIGONOMETRIC TRANSFORMATIONS. 11. f 7 J [sec2(7x) -- tan2(7x)J dx 12. f cosi007x sin37x dx 29tc