A Value Of $\sinh x$ Or $\cosh x$ Is Given Use the Definitions and the Identity

question 32

Multiple Choice

A value of $\sinh x$ or $\cosh x$ is given. Use the definitions and the identity $\cosh ^ { 2 } x - \sinh ^ { 2 } x = 1$ to find the value of the other indicated hyperbolic function.
- $\cosh x = \frac { 5 } { 3 } , x > 0 , \sinh x =$

• A) \(\frac { 16 } { 9 }\)
• B) \(- \frac { 4 } { 3 }\)
• C) \(\frac { 4 } { 3 }\)
• D) \(\frac { 3 } { 5 }\)

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