If fx=sin2x+sin2x+π3+cosxcosx+π3 and g54=1, then gofx is ________
fx=sin2x+sin2x+π3+cosxcosx+π3 =sin2x+14sinx+3cosx2+12cosxcosx-3sinx =54sin2x+cos2x=54 gofx=gfx=g5/4=1