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sin(sin(sinx))求导
人气:493 ℃ 时间:2020-02-03 18:37:31
解答
设u=sinx,u'=cosx
设v=sin(sinx)=sinu,v'=cosu*u'=cos(sinx)*cosx
y=sin(sin(sinx))=sinv,y'=cosv*v'=cos(sin(sinx))*cos(sinx)*cosx
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