Question
Prove the following identities a) 1-tanhx= 1 cosh x b) sinh x= cosh2x-1 2
Prove the following identities a) 1-tanhx= 1 cosh x b) sinh x= cosh2x-1 2
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Calculus Early Transcendentals
Authors: James Stewart
7th edition
538497904, 978-0538497909
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