1072 Evaluate the integral: da V36 - 2 2 (A) Which trig substitution is correct for this integral? Ox = 36 sec(0) Ox = 36 sin(0) Ox = 6 tan(0) Ox = 6 sin(0) Ox = 6 sec(0) Ox = 36 tan(0) (B) Which integral do you obtain after substituting for x and simplifying? Note: to enter 0, type the word theta. do (C) What is the value of the above integral in terms of 0? C (D) What is the value of the original integral in terms of a? + C