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已知函数F(x)=Cos(2x%π/3)+2sin(x%π/4)sin(x+π/4)

已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=cos(2x-π/3)+2sin(x+π/4-

已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)_百已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4) (1)函数f(x)的最大值及最大值的自变量x的集合;(

已知函数f(x)=cos(2x-3/派)+2sin(x-4/派)sin(x+4/派)1..已知 f(x)=cos (2x-派/3)+2sin (x-派/4)sin (x+派/4) =cos (2x-派/3)-2sin (x+派/4-派/2)sin

π/3)+2sin(x-π/4)sin(x+π/4) 求最小正周期和图像的f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4) = cos2x cosπ/3+ sin2x sinπ/3+2sin(x-π/4)cos(

已知函数fx=cos(2x-3分之π)+sin(x-4分之π)sin(x+4分之已知函数fx=cos(2x-3分之π)+sin(x-4分之π)sin(x+4分之π) 1 求函数的最小正周期 2 写出函数的单调区间 3

已知函数f(x)=2根号3sin(x+π/4)cos(x+π/4)+sin2x+af(x)=2√3sin(x+π/4)cos(x+π/4)+sin2x+a=√3sin(2x+π/2)+sin2x+a=√3

已知cos(π/4-x)=3/5,则sin2x=解:cos(π/4-x)=3/5cosxcosπ/4+sinxsinπ/4=3/5(√2/2)cosx+(√2/2)sinx=3/

已知函数f(x)=cos2x/sin(x+π/4),求函数f(x)的定义域 求定义域:sin(x+π/4)≠0,则 x≠kπ-π/4 (k为∞到∞上的整数) f(x)=cos2x/sin(x+π/4)=4/3 3cos

1.已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+(2)求函数f(x)在区间[-π/12,π/2]上的值域 ⑴f(x)=cos(2x-π/3)2sin(x-π/4)sin(x π/4)=cos(2x-π/3)

已知函数f(x)=sin(2x+π/3)+sin(2x-π/3)+2cos^2x-1_百度f(x)=sin(2x+π/3)+sin(2x-π/3)+2cos^2x-1 =sin2xcosπ/3+cos2xsinπ/3+sin2xcosπ/3-cos2xsinπ/3

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