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Use the hyperbolic identity cosh(2x)= 2 cosh2 (x)-1 to solve 4 cosh(2x)– 22 cosh(x)+ 19 = 0 .

Use the hyperbolic identity cosh(2x)= 2 cosh2 (x)-1 to solve 4 cosh(2x)– 22 cosh(x)+ 19 = 0 .

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.3: Quadratic Equations
Problem 51E
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Hyperbolic Equations using Hyperbolic Identities

Use the hyperbolic identity cosh(2x)= 2 cosh2(x)- 1 to solve 4 cosh(2x)– 22 cosh(x)+19 = 0 .
Transcribed Image Text:Use the hyperbolic identity cosh(2x)= 2 cosh2(x)- 1 to solve 4 cosh(2x)– 22 cosh(x)+19 = 0 .
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