Section 3.8 : Derivatives of Hyperbolic Functions
1. Differentiate \(f\left( x \right) = \sinh \left( x \right) + 2\cosh \left( x \right) - {\mathop{\rm sech}\nolimits} \left( x \right)\).
Show SolutionNot much to do here other than take the derivative using the formulas from class.
\[\require{bbox} \bbox[2pt,border:1px solid black]{{f'\left( x \right) = \cosh \left( x \right) + 2\sinh \left( x \right) + {\mathop{\rm sech}\nolimits} \left( x \right)\tanh \left( x \right)}}\]