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#1 Re: Help Me ! » problems with Cosh /Sinh » 2010-05-19 18:47:30

Hi Soroban
Many - many thanks for your help.

Regards
john roman

#2 Help Me ! » problems with Cosh /Sinh » 2010-05-18 03:25:42

roman
Replies: 2

Can you help me with this problem,?
   

  y= 20 cosh (x/20)   ,when  y =10

and the two

if  ( 4e^x -  5e^x ) =  A Sinhx  +  B Coshx    find A and B
if (  Pe^x  - Qe^x ) = 2 Coshx +  6 Sinhx      find P and Q

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