f(x)=sin²x+√3sinxcosx=[1-cos(2x)]/2+(√3/2)sin(2x)=(√3/2)sin(2x) -(1/2)cos(2x) +1/2=sin(2x-π/6) +1/2最小正周期Tmin=2π/2=π-1≤sin(2x-π/6)≤1-1/2≤sin(2x-π/6) +1/2≤3/2-1/2≤f(x)≤3/2函数的...