y=-cosx(x/2-π/3)的单调递增区间,就是函数y=cosx(x/2-π/3)的单调递减区间π+2kπ≤x/2-π/3≤2π+2kππ+π/3+2kπ≤x/2≤2π+2kπ+π/34π/3+2kπ≤x/2≤2kπ+7π/38π/3+4kπ≤x≤14π/3+4kπ所以函数的单调递增...