最大值是3,则A=3.函数周期是π,则2π/w=π,w=2.f(x)=3sin(2x+α)当x=π/6时f(x)取得最大值3,则3=3sin(π/3+α),π/3+α=π/2,α=π/6.∴f(x)=3sin(2x+π/6).由已知得：y=g(x)= 3sin(2(x-m)+π/6)= 3sin(2x-2m+π/6)....