Approximations to inverse tangent function

作者：Qiao, Quan-Xi; Chen, Chao-Ping^*

来源：JOURNAL OF INEQUALITIES AND APPLICATIONS, 2018, 2018(1): 141.

DOI：10.1186/s13660-018-1734-7

• 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.

• 出版日期2018-6-20
• 单位河南理工大学