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tanx的导数
更新时间: 2021-01-28 15:48:17  

1、tanx求导的结果是secx. 可把tanx化为sinx/cosx进行推导 (tanx)'=(sinx/cosx)'=[(sinx)'cosx-sinx(cosx)']/cosx=(cosx+sinx)/cosx=1/cosx=secx。

关键词: tanx

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