$\int_0^{\pi / 4} \frac{d x}{\cos ^3(x) \cdot \sqrt{2 \sin (2 x)}}=$

  • A
    $\frac{6}{5}$
  • B
    $\frac{3}{5}$
  • C
    $\frac{4}{5}$
  • D
    $\frac{8}{5}$

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