写出函数y=sin(2x-π6)的单调递减区间.

问题描述:

写出函数y=sin(2x-

π
6
)的单调递减区间.

π
2
+2kπ≤2x−
π
6
2
+2kπ,得
π
3
+kπ≤x≤
6
+kπ,k∈Z

∴函数y=sin(2x-
π
6
)的单调递减区间为[
π
3
+kπ,
6
+kπ],k∈Z