Integrate the expression ∫ 64e^(4θ)sin4θ dθ. Which of the following options correctly represents the integral of the given expression?

A) ∫ 64e^(4θ)sin4θ dθ
B) ∫ 64e^(4θ)sin4θ
C) ∫ 64e^(4θ)sin4θ dθ + C
D) ∫ 64e^(4θ)sin4θ + C