Approximating trigonometric functions by using exponential inequalities
oleh: Xiao-Diao Chen, Junyi Ma, Yixin Li
| Format: | Article |
|---|---|
| Diterbitkan: | SpringerOpen 2019-03-01 |
Deskripsi
Abstract In this paper, some exponential inequalities are derived from the inequalities containing trigonometric functions. Numerical examples show that one can achieve much tighter bounds than those of prevailing methods, which are presented by Cusa, Huygens, Chen and Sándor.