Hyperbolic functions/R/Introduction/Section
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Definition
The function defined for by
Definition
The function defined for by
Lemma
The functions hyperbolic sine and hyperbolic cosine
have the following properties.Proof
See exercise.
Lemma
The function hyperbolic sine is strictly increasing, and the function hyperbolic cosine is strictly decreasing on and strictly increasing on .
Proof
Definition
The function
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