由函数y=sin(-2x+π/3)可知: 当-2x+π/3=2kπ+π/2,k∈Z即:x=kπ-π/12,时,最大值是1; 当-2x+π/3=2kπ-π/2,k∈Z即:x=kπ-5π/12,k∈Z时,最小值是-1