设(sinx)=2-cos2x,则f(cosπ/6)=?
设f(sinx)=cos2x+1求f(cos*x)
设f(sinx)=cos2x,则f(1/3)等于?
设f(sinx+cosx)=sinx×cosx则f(cosπ/6)=?
设(2cosx-sinx)(sinx+cos2x+3)=0,则2cos^2x+sin2x/1+tanx=?
设f(sinx)=cos2x,则f(根号3/2)等于
设函数f(x)=|sinx|+cos2x,若x∈[−π6,π2]则函数f(x)的最小值是( )
设f(sinx)=cos2x,求f(cosx)
设f(sinX)=cos2X,求f(cosX)的表达式
设f(sinx)=cos2x+1,求f(cosx)
设f(sinx)=cos2x+1.求f(cosx)
设函数f(x)=cos(2x+π/3)+1/2-1/2cos2x
设函数f(x)=cos(2x-π/3)-cos2x-1