対数としての逆双曲線余弦 [cosh^-1(x)]
Hyperbolic Trig Functions - Basic Introduction
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Evaluating Inverse Hyperbolic Functions
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逆cosh(x)
Differentiation of inverse cosh (cosh^-1(x))
Derivatives of Inverse Hyperbolic Functions
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cosh x の逆関数
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Inverse Hyperbolic Cosine Function in terms of Natural Log|cosh^{-1}
Evaluating Hyperbolic Trig Functions
Math 104: The Inverse Cosine
Concepts of Hyperbolic Cosine
The Graphs of Hyperbolic Trig Functions