1.y=2sinx(cosx+sinx) =2sinxcosx+2sin平方x=sin2x+1-cos2x=根号2sin(2x-四分之π)+1
2.y=cos平方x+2根号3sinxcosx-sin平方x =根号3sin2x+cos2x=2sin(2x+六分之π)
1.y=2sinx(cosx+sinx) =2sinxcosx+2sin平方x=sin2x+1-cos2x=根号2sin(2x-四分之π)+1
2.y=cos平方x+2根号3sinxcosx-sin平方x =根号3sin2x+cos2x=2sin(2x+六分之π)