Math Is Fun Forum

roman

Member

Registered: 2010-05-18

Posts: 2

problems with Cosh /Sinh

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

soroban

Member

Registered: 2007-03-09

Posts: 452

Re: problems with Cosh /Sinh

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roman

Member

Registered: 2010-05-18

Posts: 2

Re: problems with Cosh /Sinh

Hi Soroban
Many - many thanks for your help.

Regards
john roman