设y=tanx三方+2(-x),求dy设y=tanx³+2（-x方）,求dy

设y=tanx三方+2(-x),求dy设y=tanx³+2（-x方）,求dy 设y=tanx^3-2^-x,求dy 设y=e-5x-tanx,求dy 设y=tanx上面一个小3+2的-x次方,求dy 设y=ln(tanx+secx),求dy/dx 设y=cos根号下x,减去e的负2x方,求dy 设 y = ln 根号下（1 + x ）/ (1 - y) - arc tanx ,求dy 设y=tanx 则dy= 设y=x sec’2次 x-tanx 求dx分之dy 要用什么公式做? y=(tanx)/x^2,求dy 设y=(2+x)^x,(x>0) ,求dy 设y=(lnx)/x,求dy? 设y=[e^x+e^(-x)]^2,求dy 设y=cos(x^2+e^x)求dy 设y=3x方+5x+8,求dy 设f(x)为可导函数,求dy/dx (1)y=f(tanx) (2)y=f(x^2)+lnf(x) 设x^2+y^2=4,求dy/dx 设y=In tan 2x 求微分dy