期刊
JOURNAL OF INEQUALITIES AND APPLICATIONS
卷 -, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/s13660-018-1734-7
关键词
Inverse trigonometric function; Inequality; Approximation
In this paper, we present a sharp Shafer-type inequality for the inverse tangent function. Based on the Pade approximation method, we give approximations to the inverse tangent function. Based on the obtained result, we establish new bounds for arctan x.
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