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Question Number 178355 by Spillover last updated on 15/Oct/22
Show that   cosh x>sinh x
Showthatcoshx>sinhx
Answered by Ar Brandon last updated on 16/Oct/22
coshx−sinhx=(1/2)((e^x +e^(−x) )−(e^x −e^(−x) ))=e^(−x) >0  ⇒coshx>sinhx
coshxsinhx=12((ex+ex)(exex))=ex>0coshx>sinhx
Commented by Spillover last updated on 16/Oct/22
thanks
thanks

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