你要的答案是：f(x) 的对称轴为kπ+π/2,求解2x-π/6=kπ+π/2即可,x=（k/2+1/3）π对称中心为kπ,坐标为：（（k/2+1/12）π,0）单调区间为：（kπ-π/6,kπ+π/3）单调增（kπ+π/3,kπ+π/6）单调减在[0,π/6]上单...