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New Inequalities of Shafer-Fink Type for Arc Hyperbolic Sine


In this paper, we extend some Shafer-Fink-type inequalities for the inverse sine to arc hyperbolic sine, and give two simple proofs of these inequalities by using the power series quotient monotone rule.

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Correspondence to Ling Zhu.

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Zhu, L. New Inequalities of Shafer-Fink Type for Arc Hyperbolic Sine. J Inequal Appl 2008, 368275 (2008).

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