Finest bounds for the Sinc hyperbolic function and applications

Key Points

• The paper proves a double inequality for the sinc hyperbolic function, establishing a relationship when r approaches zero.
• Findings include similar inequalities for the Huygens, Wilker, and Lazarewic functions, expanding their interconnectedness.
• Mathematical proofs reveal the significance of hyperbolic functions in certain domains of analysis and inequalities.
• Establishing bounds enhances understanding of function behavior, potentially aiding in various applications.