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What does it mean, that cosine, sine, tangens etc, is hyperbolic?:)

Guest Mar 7, 2017

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 #2
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What does it mean, that cosine, sine, tangens etc, is hyperbolic?:)

 

 

laugh

heureka  Mar 7, 2017
 #1
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Definitions:

 

hyperbolic sine:   sinh(x) = (ex - e-x)/2    (pronounced shine!)

 

hyperbolic cosine:  cosh(x) = (ex + e-x)/2

 

hyperbolic tangent:   tanh(x) = (ex - e-x)/(ex + e-x)   (pronounced tansh!)

 

.

Alan  Mar 7, 2017
 #2
avatar+20008 
+20
Best Answer

What does it mean, that cosine, sine, tangens etc, is hyperbolic?:)

 

 

laugh

heureka  Mar 7, 2017

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