$\int_{-2 \pi}^{2 \pi} \sin ^4(2 x) \cos ^6(2 x) d x=$

• Correct answer
  A

  $\frac{3 \pi}{64}$
• B

  $\frac{9 \pi}{64}$
• C

  $\frac{9 \pi}{35}$
• D

  $\frac{9 \pi}{280}$

Hence, the correct answer is option: 'A'.