设函数f( x) =sin平方x-sin(2x-2分之π)求函数f（x）的最大值和最小值三角形的内角ABC的对边分别为abc,c=3,f（2分之C）=四分之一,若sinB=2sinA,求三角形ABC面积 ?

设函数f (x)=cos(2x-π/3)-2sin平方x (1)求函数f(x 设函数 f(x)=sin(2x+y),(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f x=SIN(2X+φ)(-π 设函数f(x)=sin(2x+∮)(-兀 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(0 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 1.设函数f(x)=sin(x+fai)(0 设函数f(x)=sin(2x+φ)(-π 已知函数f(x)=2根号3sin平方x-sin（2x-π/3) 设函数f(x)=sin(wx+t)(-π/2