函数f(x)=2sin(x-4/π)-sin2x的值域为

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函数f(x)=2sin(x-4/π)-sin2x的值域为函数f(x)=2sin(x-4/π)-sin2x的值域为函数f(x)=2sin(x-4/π)-sin2x的值域为f(x)=2sin(x-π/4)

函数f(x)=2sin(x-4/π)-sin2x的值域为
函数f(x)=2sin(x-4/π)-sin2x的值域为

函数f(x)=2sin(x-4/π)-sin2x的值域为
f(x)=2sin(x-π/4)-sin2x
f(x)=2sin(x-π/4)-cos(2x-π/2)
f(x)=2sin(x-π/4)-cos[2(x-π/4)]
f(x)=2sin(x-π/4)-[1-2sin²(x-π/4)]
令t=sin(x-π/4) ,t∈[-1,1]
f(t)=2t²+2t-1
所以f(x)的值域是[-1.5,3]

函数f(x)=2sin(x+π/4)sin(x-π/4)+sin2x的值域已知函数f(x)=(1+1 anx)sin^2x+m sin(x+π/4)sin(x-π/4) 已知函数f(x)=cos2x/[sin(π/4-x)] f(x)=sin(x+π/4)是什么函数设函数 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+φ)(-π 设函数f(x)=sin(2x+φ)(-π 已知函数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 函数f(x)=sin(2x+a) -π 设函数f(x)=sin(2x+ φ)(-π 函数f(x)=sin(2x+&）(-π