Hi, the title pretty much says it.

(I tried a few things but noting worked, I really have no idea how to do this)

Prove that

where R and t are real numbers.

Thanks so much in advance.

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- Dec 5th 2012, 08:09 AMsunmalusHow to find this limit
Hi, the title pretty much says it.

(I tried a few things but noting worked, I really have no idea how to do this)

Prove that

where R and t are real numbers.

Thanks so much in advance. - Dec 5th 2012, 01:52 PMzhandeleRe: How to find this limit
Did you put this in exponential form? Remember that the hyperbolic functions are related to the trig functions (I assume you know how, ask if you don't or look it up) and they obey identities that are reminiscent of the trig identities.