1） y'=f'(tanx)* (tanx)'=f'(tanx) *(secx)^2
2) y'=f'(x^2)*2x+f'(x)/f(x)
设f(x)为可导函数,求dy/dx (1)y=f(tanx) (2)y=f(x^2)+lnf(x)
设f(x)为可导函数,求dy/dx (1)y=f(tanx) (2)y=f(x^2)+lnf(x)
数学人气：372 ℃时间：2019-11-21 07:33:13
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