设函数f(x)=ex,g(x)=sinx,且y=f[g'(x)],求dy/dx.

设函数f(x)=ex,g(x)=sinx,且y=f[g'(x)],求dy/dx.
【正确答案】:因g'(x)=cosx,故y=f(cosx)=ecosx,dy/dx=-ecosxsinx.