求函数f(x)=-3sin(2x-π/6)的单调递减区间即求y=3sin(2x-π/6)的单调增区间∴ 2kπ-π/2≤2x-π/6≤2kπ+π/2,k∈Z∴ 2kπ-π/3≤2x≤2kπ+2π/3,k∈Z∴ kπ-π/6≤x≤kπ+π/3,k∈Z∴ 函数f(x)=-3sin(2x-π/6)的单...