Refined forms of Oppenheim and Cusa-Huygens type inequalities
2020 ◽
Vol 24
(2)
◽
pp. 183-194
Keyword(s):
We rene Oppenheim's inequality as well as generalized Cusa-Huygens type inequalities established recently by some researchers. One of the results where the bounds of sin x / x are tractable will be used to obtain a sharp version of Yang's inequality.
2015 ◽
Vol 92
(3)
◽
pp. 397-404
2007 ◽
Vol 20
(5)
◽
pp. 532-538
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Keyword(s):
2002 ◽
Vol 66
(1)
◽
pp. 17-24
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2012 ◽
Vol 236
(13)
◽
pp. 3218-3227
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Keyword(s):
2011 ◽
Vol 176
(3)
◽
pp. 281-360
◽
2021 ◽
Vol 2021
◽
pp. 1-8
Keyword(s):
2009 ◽
Vol 18
(3)
◽
pp. 335-355
◽
Keyword(s):