A Value of Sinh X or Cosh X Is Given $\cosh x = \frac { 13 } { 12 } , x > 0 , \tanh x =$

question 45

Multiple Choice

A value of sinh x or cosh x is given. Use the definitions and the identity cosh²x - sinh²x = 1 to find the value of the
other indicated hyperbolic function.
- $\cosh x = \frac { 13 } { 12 } , x > 0 , \tanh x =$

• A) \(\frac { 5 } { 13 }\)
• B) \(- \frac { 25 } { 144 }\)
• C) \(\frac { 5 } { 12 }\)
• D) \(\frac { 13 } { 5 }\)

---

Definitions:

Brym and Lie

Refers to sociologists John Brym and Steven Lie, known for their contributions to understanding social structures and dynamics.

Primary Labor Market

A segment of the labor market characterized by high wages, job security, good working conditions, and opportunities for advancement, typically requiring higher education and skills.

Oligopoly

A market structure in which a few companies dominate the industry, often leading to limited competition.