Zhu, Ling Some new Wilker-type inequalities for circular and hyperbolic functions. (English) Zbl 1177.33002 Abstr. Appl. Anal. 2009, Article ID 485842, 9 p. (2009). 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. Cited in 1 ReviewCited in 22 Documents MSC: 33B10 Exponential and trigonometric functions 26D05 Inequalities for trigonometric functions and polynomials PDF BibTeX XML Cite \textit{L. Zhu}, Abstr. Appl. Anal. 2009, Article ID 485842, 9 p. (2009; Zbl 1177.33002) Full Text: DOI EuDML OpenURL References: [1] J. B. Wilker, “E3306,” The American Mathematical Monthly, vol. 96, no. 1, p. 55, 1989. · Zbl 0691.51006 [2] J. S. Sumner, A. A. Jagers, M. Vowe, and J. Anglesio, “Inequalities involving trigonometric functions,” The American Mathematical Monthly, vol. 98, no. 3, pp. 264-267, 1991. [3] B.-N. Guo, B.-M. Qiao, F. Qi, and W. 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