Question

f[x=]根号3sinx+cosx最小正周期 f(x)=根号3sinx+cosx最小正周期

Answer 1

f(x)=√3sinx+cosx
=2[sinxcosπ/6+cosxsinπ/6]
=2sin(x+π/6)
最小正周期T=2π/|w|=2π/1=2π
注：W为x的系数!