Some Refinements of Inequalities for Circular Functions
We give new lower bound and upper bound for Papenfuss-Bach inequality and improve Ruehr-Shafer inequality by providing a new lower bound.
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2011-01-01
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| Series: | Journal of Applied Mathematics |
| Online Access: | http://dx.doi.org/10.1155/2011/869261 |
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| _version_ | 1832562932607614976 |
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| author | Zhengjie Sun Ling Zhu |
| author_facet | Zhengjie Sun Ling Zhu |
| author_sort | Zhengjie Sun |
| collection | DOAJ |
| description | We give new lower bound and upper bound for Papenfuss-Bach inequality and improve Ruehr-Shafer inequality by providing a new lower bound. |
| format | Article |
| id | doaj-art-29953721e56648f4b9fb3444eeb3cbe1 |
| institution | Kabale University |
| issn | 1110-757X 1687-0042 |
| language | English |
| publishDate | 2011-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Applied Mathematics |
| spelling | doaj-art-29953721e56648f4b9fb3444eeb3cbe12025-02-03T01:21:20ZengWileyJournal of Applied Mathematics1110-757X1687-00422011-01-01201110.1155/2011/869261869261Some Refinements of Inequalities for Circular FunctionsZhengjie Sun0Ling Zhu1Department of Mathematics, Zhejiang Gongshang University, Zhejiang, Hangzhou 310018, ChinaDepartment of Mathematics, Zhejiang Gongshang University, Zhejiang, Hangzhou 310018, ChinaWe give new lower bound and upper bound for Papenfuss-Bach inequality and improve Ruehr-Shafer inequality by providing a new lower bound.http://dx.doi.org/10.1155/2011/869261 |
| spellingShingle | Zhengjie Sun Ling Zhu Some Refinements of Inequalities for Circular Functions Journal of Applied Mathematics |
| title | Some Refinements of Inequalities for Circular Functions |
| title_full | Some Refinements of Inequalities for Circular Functions |
| title_fullStr | Some Refinements of Inequalities for Circular Functions |
| title_full_unstemmed | Some Refinements of Inequalities for Circular Functions |
| title_short | Some Refinements of Inequalities for Circular Functions |
| title_sort | some refinements of inequalities for circular functions |
| url | http://dx.doi.org/10.1155/2011/869261 |
| work_keys_str_mv | AT zhengjiesun somerefinementsofinequalitiesforcircularfunctions AT lingzhu somerefinementsofinequalitiesforcircularfunctions |