Sharp Wilker and Huygens type inequalities for the Gudermannian and inverse Gudermannian functions

Abstract

Abstract The aim of the present paper is to present new sharp Wilker and Huygens type inequalities for Gudermannian and inverse Gudermannian functions.

Keywords

• Wilker type inequality
• Huygens type inequality
• Gudermannian function
• Inverse Gudermannian function