6. The "hyperbolic trigonometric functions" are specific combinations of ex- ponential functions that appear in application frequently enough that they have their own names. For example, the "hyperbolic cosine function" is given by et +e-x cosh x 2 the "hyperbolic sine function" is given by et - e-a sinh x = and the "hyperbolic tangent function" is given by sinh x tanh x = cosh x Use the definitions above to show that d tanh x = dx 1 cosh x
6. The "hyperbolic trigonometric functions" are specific combinations of ex- ponential functions that appear in application frequently enough that they have their own names. For example, the "hyperbolic cosine function" is given by et +e-x cosh x 2 the "hyperbolic sine function" is given by et - e-a sinh x = and the "hyperbolic tangent function" is given by sinh x tanh x = cosh x Use the definitions above to show that d tanh x = dx 1 cosh x
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 80E
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