双曲函数导数
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发布时间：2022-04-23 15:38
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热心网友
时间：2023-09-12 15:09
shx = (e^x - e^(-x)/2, (shx) ' =chx
chx = (e^x + e^(-x)/2, (chx) ' =shx
thx = shx / chx, (thx) ' = 1/(chx)^2
arcsinh x = ln[ x+ (x^2+1)^(1/2) ] , (arcsinh x) ' = 1/ (x^2+1)^(1/2)
arccosh x = ln[ x+ (x^2-1)^(1/2) ] , (arccosh x) ' = 1/ (x^2-1)^(1/2)
arctanh x =(1/2) [ ln(1+x)/(1-x) ], (arctanh x) ' = 1/(1-x^2)
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