答:f(x)=sinxcosx+(√3/2)cos2x=(1/2)sin2x+(√3/2)cos2x=sin(2x+π/3)所以:f(x)的最小正周期T=2π/2=π振幅A=1所以:f(x)的最小正周期和振幅分别为π和1
f(x)=sinx conx+√3/2con2x =1\2sin2x+√3/2con2x =sin2x conπ\3+con2x sinπ\3 =sin(2x+π\3)所以其周期是π,振幅是1