282 2 Evaluate the integral: dx V16 - 22 (A) Which trig substitution is correct for this integral? Ox = 4tan(0) Ox = 4sec(0) Ox = 16 sin(0) Ox = 16 sec(0) Ox = 4sin(0) Ox = 16 tan(0) (B) Which integral do you obtain after substituting for a 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