f(x)=asinx·cosx-√3acos²x+√3/2 a+b=asinx·cosx-√3/2a(2cos²x-1)+b=a/2*sin2x-√3/2a*cos2x+b=asin(2x-π/3)+b.令π/2+2kπ≤2x-π/3≤2kπ+3π/2,k∈Z5π/12+kπ≤x≤11π/12+kπ,k∈Z∴函数的单调...