f(x)=2sinxcosx-2cos²x+1+√3
=2sinxcosx-(1+cos2x)+1+√3
=sin2x-cos2x+√3
=√2sin(2x-π/4)+√3.
最小正周期:T=2π/2=π;
最大值:f(x)|max=√2+√3;
最小值:f(x)|min=-√2+√3.
f(x)=2sinxcosx-2cos²x+1+√3
=2sinxcosx-(1+cos2x)+1+√3
=sin2x-cos2x+√3
=√2sin(2x-π/4)+√3.
最小正周期:T=2π/2=π;
最大值:f(x)|max=√2+√3;
最小值:f(x)|min=-√2+√3.