The aim of this paper is to provide new refinements of Becker-Stark inequality and Cusa-Huygens inequality using trigonometric polynomial method. It is shown that the approach proposed is useful for establishing new inequalities and refining some existing inequalities.

中文翻译：

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利用三角多项式方法对Becker-Stark和Cusa-Huygens不等式的新改进

本文的目的是使用三角多项式方法提供Becker-Stark不等式和Cusa-Huygens不等式的新细化。结果表明，所提出的方法对于建立新的不平等现象和改善一些现有的不平等现象是有用的。