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**Some new Wilker-type inequalities for circular and hyperbolic functions.**
*(English)*
Zbl 1177.33002

Summary: We give some new Wilker-type inequalities for circular and hyperbolic functions in exponential form by using generalizations of Cusa-Huygens inequality and Cusa-Huygens-type inequality.

### MSC:

33B10 | Exponential and trigonometric functions |

26D05 | Inequalities for trigonometric functions and polynomials |

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\textit{L. Zhu}, Abstr. Appl. Anal. 2009, Article ID 485842, 9 p. (2009; Zbl 1177.33002)

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