函数f(x)=x-2sin(x)/(2)cos(x)/(2),则f′((π)/(3))=( )A. 0B. $\frac{1}{2}$C. $\frac{\sq
函数f(x)=x-2sin(x)/(2)cos(x)/(2),则f(0)=( )A. 0B. 1C. -1D. $\sqrt{2}$
已知 (cos x)=(sin )^2x, 则 f(x)= __
设f(x)的原函数为2x+3sin x,则f(x)(,,,,,,)A、(x)^2+3cos xB、2+3cos xC、(x)^2-3cos xD、2-3cos
[题目]如果 (cos x)=dfrac ({sin )^2x}(cos 2x), 则 f(x)= () )-|||-
[单选题]设f′(cos2x)=sin2x,则f(x)等于()A . cosx+1/2cos2x+cB . cos2x-1/2cos4x+cC . x+(1/2)x2+cD . x-(1/2)x2+c
求下列函数的导数:f( x )=({x)^2}+2x+1f( x )=xln xf( x )=(sin x)/(({x)^2)+2x+1}f( x )=({e)
[针对练1] 已知 (cos x)=(sin )^2x, 则 f(x)=-|||-__
已知函数f(x)=cosx•sin((x+(π)/(3)))-sqrt(3)(cos^2)x+((sqrt(3)))/(4).(1)求f(x)的单调递增区间;(
2、设f`(x)为连续函数,则 int (sin )^2xf(cos x)dx-int cos xf(cos x)dx=