f(x)=(√3/2)sin2x+(1/2)cos2x+(√3/2)sin2x-(1/2)cos2x+cos2x+1=√3sin2x+cos2x+1=2sin(2x+π/6)+1周期T=2π/2=π对称轴：2x+π/6=π/2+kπ,得对称轴为：x=-π/6+kπ/2,k∈Z对称中心：2x+π/6=kπ,得对称中心为：（...