Let f be a differentiable function with the following values: X 0 1 f(x) 5 8 f' (x) 4 11 (a) After substitution, which of the following integrals is equivalent to (x).sin(f(x)) ax? o - sin (u ) du 8 o sin (u ) du sin ( u ) du sin ( 4 ) du Evaluate the integral. Give an exact answer. (b) After substitution, which of the following integrals is equivalent to sinx.f '(cosx) dx ? 0 / F ' (u ) du of F lu ) du 0 - / F ( u ) du Evaluate the integral. Give an exact