AIMS Mathematics, 2020, 5(1): 376-384. doi: 10.3934/math.2020025

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New inequalities of Wilker’s type for hyperbolic functions

Department of Mathematics, Zhejiang Gongshang University, Hangzhou, Zhejiang, China

Using power series expansions of functions and the monotonicity criterion for the quotient of power series, we establish some new Wilker-type inequalities for hyperbolic functions.
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