f(x)=sinx*(√3cosx-sinx).
=√3sinxcosx-sin^2x,
=(√3/2)2sinxcosx-(1-cos2x)/2.
=(√3/2)sin2x+(1/2)cos2x-1/2.
=sin(2x+π/6)-1/2.
f(x)的最小...
f(x)=sinx*(√3cosx-sinx).
=√3sinxcosx-sin^2x,
=(√3/2)2sinxcosx-(1-cos2x)/2.
=(√3/2)sin2x+(1/2)cos2x-1/2.
=sin(2x+π/6)-1/2.
f(x)的最小...