1 f(x)=√3sinπx+cosπx
=2((√3/2)sinπx+(1/2)cosπx)
=2sin(πx+π/3)
∴最小正周期T=2π/w=2π/π=2
值域f(x)∈ [-2,2]
2 -π/2+2kπ<πx+π/3<π/2+2kπ (k∈Z)
-5/6+2k<x<1/6+2k (k∈Z)
∴单调增区间:﹙-5/6+2k,1/6+2k﹚(k∈Z)
1 f(x)=√3sinπx+cosπx
=2((√3/2)sinπx+(1/2)cosπx)
=2sin(πx+π/3)
∴最小正周期T=2π/w=2π/π=2
值域f(x)∈ [-2,2]
2 -π/2+2kπ<πx+π/3<π/2+2kπ (k∈Z)
-5/6+2k<x<1/6+2k (k∈Z)
∴单调增区间:﹙-5/6+2k,1/6+2k﹚(k∈Z)