y=sin(x-π/3)的单调减区间是什么

问题描述:

y=sin(x-π/3)的单调减区间是什么

y=sin(x-π/3)的单调减区间是
2kπ+3π/2>=x-π/3>=2kπ+π/2
2kπ+11π/6>=x>=2kπ+5π/6

sinx减区间是(2kπ+π/2,2kπ+3π/2)
所以这里是 2kπ+π/2