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# integral of sinh(x)*cosh(x)?

and integral of cosh(x)*sinh(x)

Thank you. I really need help.

### 1 Answer

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- kbLv 71 decade agoFavorite Answer
integral cosh x * sinh x dx

= integral sinh(2x)/2 dx; easy to verify by definitions of sinh and cosh

= cosh(2x)/4 + C.

I hope that helps!

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