
doi: 10.3934/math.2021753
<abstract><p>In this paper, optimal bounds for the sine and hyperbolic tangent means by arithmetic and centroidal means in exponential type are established using the monotone form of L'Hospital's rule and the criterion for the monotonicity of the quotient of power series.</p></abstract>
Seiffert-like means, sine mean, QA1-939, hyperbolic tangent mean, Inequalities for sums, series and integrals, centroidal mean, bounds, seiffert-like means, Mathematics, arithmetic mean
Seiffert-like means, sine mean, QA1-939, hyperbolic tangent mean, Inequalities for sums, series and integrals, centroidal mean, bounds, seiffert-like means, Mathematics, arithmetic mean
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