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Mathematics 22 Online
OpenStudy (anonymous):

(cosh^2(x)-(sinh^2(x)

OpenStudy (anonymous):

Did you figure out?

OpenStudy (unklerhaukus):

uno!

OpenStudy (anonymous):

no i didn't i needed the derivative of it!

OpenStudy (anonymous):

Well, you do realize that cosh²x + sinh²x = 1, right? Do you know what is the derivative of one?

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