Jaramillo, Augusto Cano, and Alexander Molina C. “Una Forma De Simplificar Potencias trigonométricas”. Scientia et Technica 1, no. 41 (May 30, 2009). Accessed September 27, 2024. https://revistas.utp.edu.co/index.php/revistaciencia/article/view/2849.