SOLUTION: Show that (cosh x)^2−(sinh x)^2= 1
for every real number x.
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Question 952828: Show that (cosh x)^2−(sinh x)^2= 1
for every real number x.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Show that (cosh x)^2 - (sinh x)^2= 1
for every real number x.
-------------
4/4 = 1
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