Geodesic
Estimates for the arctangent function related to Shafer's inequality
Cristinel Mortici 1   ; H. M. Srivastava 2
1 Department of Mathematics Valahia University of Târgovişte Bd. Unirii 18 130082 Târgovişte, Romania and Academy of Romanian Scientists Splaiul Independenţei 54 0500594 Bucureşti, Romania
2 Department of Mathematics and Statistics University of Victoria Victoria, British Columbia V8W 3R4, Canada
Colloquium Mathematicum, Tome 136 (2014) no. 2, pp. 263-270 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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The aim of this article is to give new refinements and sharpenings of Shafer's inequality involving the arctangent function. These are obtained by means of a change of variables, which makes the computations much easier than the classical approach.
DOI : 10.4064/cm136-2-8
Keywords: article refinements sharpenings shafers inequality involving arctangent function these obtained means change variables which makes computations much easier classical approach

Cristinel Mortici  1   ; H. M. Srivastava  2

1 Department of Mathematics Valahia University of Târgovişte Bd. Unirii 18 130082 Târgovişte, Romania and Academy of Romanian Scientists Splaiul Independenţei 54 0500594 Bucureşti, Romania
2 Department of Mathematics and Statistics University of Victoria Victoria, British Columbia V8W 3R4, Canada 
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Cristinel Mortici; H. M. Srivastava. Estimates for the arctangent function
 related to Shafer's inequality. Colloquium Mathematicum, Tome 136 (2014) no. 2, pp. 263-270. doi: 10.4064/cm136-2-8

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