函数\(y=\sin \left( \dfrac{π}{4}-2x\right) \)的单调递增区间是\((\) \()\)
A. \(\left[kπ- \dfrac{π}{8},kπ+ \dfrac{3π}{8}\right]\left(k∈Z\right) \)
B. \(\left[2kπ+ \dfrac{3π}{8},2kπ+ \dfrac{7π}{8}\right]\left(k∈Z\right) \) C. \(\left[kπ+ \dfrac{3π}{8},kπ+ \dfrac{7π}{8}\right]\left(k∈Z\right) \) D. \(\left[2kπ- \dfrac{π}{8},2kπ+ \dfrac{3π}{8}\right]\left(k∈Z\right) \)
