Cho \(\int\limits_0^1 {f\left( x \right){\rm{d}}x...

Câu hỏi: Cho \(\int\limits_0^1 {f\left( x \right){\rm{d}}x = 16} \). Tính \(I = \int\limits_0^{\frac{\pi }{4}} {f\left( {\sin 2x} \right).cos2xdx} \)

A. I = 5

B. I = 9

C. I = 8

D. I = 10