Use substitution to evaluate vx tan (x +8) dx by completing the questions below. 1. Start by making the substitution u = (Type an expression involving x only. Do NOT type u =, as that's already typed) 2. Rewrite the integral in terms of u. Vx tan x + 8 dx= du obl (Keep any constants inside the integral. Do NOT type du, as that's already typed) to t 3. Give the final answer. blen Vx tan x +8 dx= (Type an expression involving x. Use C as the arbitrary constant, if indeed an arbitrary constant is required.) blen e