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Nelsen, R. B., Elementary proofs of the trigonometric inequalities of Huygens, Cusa and Wilker, Math. Mag 93 (October 2020) pp. 276–283.Google Scholar
2
Bhayo, B. A. & Sándor, J., On certain old and new trigonometric and hyperbolic inequalities, Analysis Mathematica41 (2015) pp. 3–15.CrossRefGoogle Scholar
3
Bradley, C. J., Introduction to inequalities, Handbook No.2 (2nd edn.), UK Mathematics Trust (2016) p. 95.Google Scholar
4
Lord, N., New error analyses for some old mensuration formulae, Math. Gaz. 105 (July 2021) pp. 339-343.Google Scholar