15问答网 > tanh x是什么？怎么算的？

tanh x是什么？怎么算的？

2025-04-08 07:08:22
推荐回答（2个）
回答1：

tanh x=sinh x / cosh x
其中sinh x=(e^(x)-e^(-x))/2 ，cosh x=(e^x+e^(-x))/2
所以tanhx = (e^(x)-e^(-x)) /(e^x+e^(-x))

回答2：

给你一个ppt，双曲函数的介绍。
http://jpkc.hrbu.edu.cn:8080/jpkcjs/gdsx/gaoshukejian/GAOSHU1/CH1/1.2.ppt

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