f(x)=1/2cos^2x+√3/2sinxcosx+1 =1/4(1+cos2x)+√3/4*sin2x+1 =1/2(√3/2sin2x+1/2cos2x)+5/4 =1/2sin(2x+π/6)+5/4函数f(x)的最小正周期T=2π/2=π
f(x)=1/2cos^2x+√3/2sinxcosx+1=1/4(cos2x+1)+√3/4sin2x+1=1/2sin(2x+π/6)+5/4f(x)的最小正周期T=π