函数y=【cos(3x+π/4)-sin(3x+π/4)】/[cos(3x+π/4)+sin(3x+π/4)]的定义域,
函数y=【cos(3x+π/4)-sin(3x+π/4)】/[cos(3x+π/4)+sin(3x+π/4)]的定义域,
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=sin(2x-π/6) ,
1.y=cos^4x+sin^4x 求周期 2.y=(sin2x+sin(2x+π/3))/( cos2x+cos(2x
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
已知函数f(x)=sin^2*x-根号3*sinπ/4*x*cosπ/4*x
求函数f(x)=sin(π/3+4x)+cos(4x-π/6
确定下列函数的定义域1)y=√[lg(cos x)]2) y={tan[x-π/4)]*√(sin x)}/lg(2co
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/2) 化简为sin的形式
y=sin(-3x) =-sin3x y=cos(3x+π\4) =cos(π/2+3x-π/4) =-sin(3x-π
y=sin(2x-π/4)+cos(3x+π/3)的导数
已知函数f(x0=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)