y=sin(x/2)+√3cos(x/2) =2[(1/2)*sin(x/2)+(√3/2)*cos(x/2)]=2[cos(π/3) *sin(x/2)+sin(π/3)*cos(x/2)]
=2sin(π/3+x/2)
图自己画吧
振幅为2,周期为4π,最大值为2,最小值为-2,初相为π/3
y=sin(x/2)+√3cos(x/2) =2[(1/2)*sin(x/2)+(√3/2)*cos(x/2)]=2[cos(π/3) *sin(x/2)+sin(π/3)*cos(x/2)]
=2sin(π/3+x/2)
图自己画吧
振幅为2,周期为4π,最大值为2,最小值为-2,初相为π/3