, 20;:2 Evaluate the Integral: da': Veal2:2 (A) Which trig substitution is correct for this integral? O a: : 4tan(9) O :1: : 2si11(6) O :1: : 2596(6) O :1: : 4596(6) O :1: : 2tan(9) O :1: : 45in(6) (B) Which integral do you obtain after substituting for a: and simplifying? Note: to enter :9, type the word theta. [rm (C) What is the value of the above integral in terms of 3? l fc (D) What is the value of the original integral in terms of 1:? l +C