若曦涟漪：注：楼上回答可能计算有误!y＝2sin(－2x＋π/3)单调递增区间：由：－π/2＋2kπ≤－2x＋π/3≤π/2＋2kπ得：－π/12－kπ≤x≤5/12π－kπ,k∈Z即：[－π/12－kπ,5/12π－kπ]单调递减区间：由：π/2＋2...