Prove the formulas given in this table for the derivatives of the functions cosh, tanh, csch, sech, and coth. Which of the following are proven correctly? (Select all that apply.)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.CR: Chapter 9 Review
Problem 54CR
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Prove the formulas given in this table for the derivatives of the functions cosh, tanh, csch, sech, and coth. Which of the following are proven correctly? (Select all that apply.)

 

 

-(coth x) = d( sinh x
dx\ cosh x
cosh x cosh x – sinh x sinh x - cosh3x – sinh²x
-csch?x
%3D
cosh?x
cosh?x
cosh?x
O csch x) = sinh x.
cosh x
sinh?x
cosh x
sinh x sinh x
-csch x coth x
%3D
□음(cosh x) =D 글(e*-e"=글(e" + e-")= sinh x
e-X)
dx
□은(csch x) = 의-1)=-Cosh2x
sinh?x
1_ . cosh²x = - csch x coth x
sinh x
sinh x
sinh x
sinh x
1.
-(sech x)
= -sech x tanh x
dx\ cosh x
cosh? x
cosh x
cosh x
II
Transcribed Image Text:-(coth x) = d( sinh x dx\ cosh x cosh x cosh x – sinh x sinh x - cosh3x – sinh²x -csch?x %3D cosh?x cosh?x cosh?x O csch x) = sinh x. cosh x sinh?x cosh x sinh x sinh x -csch x coth x %3D □음(cosh x) =D 글(e*-e"=글(e" + e-")= sinh x e-X) dx □은(csch x) = 의-1)=-Cosh2x sinh?x 1_ . cosh²x = - csch x coth x sinh x sinh x sinh x sinh x 1. -(sech x) = -sech x tanh x dx\ cosh x cosh? x cosh x cosh x II
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