1、因其图像的一条对称轴是x=5π/3,则f(4π/3)=f(6π/3) ====>>>>> f(4π/3)=f(2π)得：－√3/2－(1/2)m=0＋m ====>>>>>>> m=－√3/32、另外,因其对称轴是x=5π/3,则f(5π/3)=最值 ==>>>> －(√3/2)＋(1/2)m=±√[m&...