f(x)=2sinx*sin(x+π/3) 化简

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f(x)=2sinx*sin(x+π/3)化简f(x)=2sinx*sin(x+π/3)化简f(x)=2sinx*sin(x+π/3)化简f(x)=2sinx(1/2sinx+√3/2cosx)=si

f(x)=2sinx*sin(x+π/3) 化简
f(x)=2sinx*sin(x+π/3) 化简

f(x)=2sinx*sin(x+π/3) 化简
f(x)=2sinx(1/2sinx+√3/2cosx)
=sin²x+√3sinx×cosx
=(1-cos2x)/2+√3/2sin2x
=√3/2sin2x-1/2cos2x+1
=sin(2x-π/6)+1
√3为根号三