27 21th:: + 100 (A) Which trig substitution is correct for this integral? 0 a: : 100 5111(9) O a: : 275eo(9) O a: : 10 $1109) 0 a: : 10ta.11(6) O a: : 100 tan(6) O a: : 100 seo(6) Evaluate the integral: [$2 [B] Which integral do you obtain after substituting for a: and simplifying? Note: to enter 9, type the word theta. / '' d6 {C} What is the value of the above integral in terms of 6*? l +C {D} What is the value of the original integral in terms of :12? l H