Use the definition of hyperbolic function to prove the following identities. 1 - csch (x) = 1 tanh? (x)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Use the definition of hyperbolic function to prove the following identities.
1
csch (x) = 1
tanh? (x)
Transcribed Image Text:Use the definition of hyperbolic function to prove the following identities. 1 csch (x) = 1 tanh? (x)
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