sinx的对称中心是和x轴交点对称轴是取最值的地方即x=kπ和kπ+π/2此处即2x-π/3=kπx=kπ/2+π/62x-π/3=kπ+π/2x=kπ/2+5π/12所以对称中心是(kπ/2+π/6,0)对称轴x=kπ/2+5π/12
