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#1 2008-12-04 05:16:30

GemmaJ1988
Member
Registered: 2008-10-08
Posts: 39

hyperbolic cosine

I have the following function:


when

what does the function become?

I know from definition:


so i can rewrite the function as:

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#2 2008-12-04 07:03:59

mathsyperson
Moderator
Registered: 2005-06-22
Posts: 4,900

Re: hyperbolic cosine

I'm not sure you can rewrite it like you have. If anything, it'd have to be:

As for what it does as b goes to infinity, as far as I can tell it's 1 when x=0 and undefined everywhere else.


Why did the vector cross the road?
It wanted to be normal.

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