Нестеренко, Л.І., М.М. Логвин, and Л.М. Покидько. “Application of Trigonometry in Physics”. Proceedings of National Aviation University 45, no. 4 (April 1, 2010): 165–168. Accessed November 22, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1896.