Some identities involving inverse trigonometric functions without the zero derivative theorem

• Autores: Mehdi Hassani
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 55, Nº. 5, 2024, págs. 1295-1302
• Idioma: inglés
• DOI: 10.1080/0020739X.2022.2128457
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• Resumen

  • We give a geometric-trigonometric approach to obtain several identities involving inverse of the functions sin, cos and tan. This provides some new examples satisfying the zero derivative theorem.