f(x)=(1+cos2x)/2+√3sinxcosx+1.f(x)=(1/2)+(1/2)cos2x+(√3/2)sin2x+1. =sin(2x+π/6)+3/2. (1).f(x)的最小正周期T=2π/2=π；当sin(2x+π/6)=1, x=kπ+π/6时, f(x)具有最大值,f(x)max=1+3/2=5/...