f(1－cos x)＝sin∧2x求f(x)

f(1－cos x)＝sin∧2x求f(x) 设f(sin x/2 )-1+cos x ,求f(x)、f(cos x/2 ). f'(sin x)=1-cos x 求f''(x) f(sin x)=cos 2x +1 求 f(cos x) f'(sin^2x)=cos^2x,求f(x)f'((sin^x)^2)=(cos^x)^2 已知f(x)=cos^2x/1+sin^2x求f'(π/4)求导 已知f（cos x）＝cos 3x 求f（sin x）的值 f(sin x)=3-cos 2x求f(cos x) f(sin x)=3-cos 2x,求f(cos x)=? 已知f(x)＝sin(π-x)cos(2π-x)tan(-x＋π)/cos(－π/2＋x),求f(-31π/3)的值 已知f(sin x/2)=cosx+1,求f(cos x/2)=? f'(cos^2x)=sin^2x ,f(0)=0,求f(x) 若f'(cos²x)=1+2sin²x,且f(0)=1,求f(x) 设f（sin x/2）=cosx+1,求f（x）及f（cos x/2）. 设f=[sin(2/x)]=1+cosx,求f(x),f[cos(2/x)].如题! 已知函数f（x）＝4COS^4x-2COS2x-1/SIN(TT/4+x)SIN(TT/4-x)求f(-11TT/12)的值 f(x)=cos(2x+60)+sin^2x 求f(x)的值域 化简f(x)=2cos(x/2)·(sin(x/2)+cos(x/2))-1(1)化简f(x);(2)求f(π/12)的值