Abu Delleh and Luai Alomari, Ayman. "trigonometric ratio application". OER Commons. Institute for the Study of Knowledge Management in Education, 21 Jan. 2014. Web. 20 Aug. 2024. <https://oercommons.org/authoring/4774-trigonometric-ratio-application>.
Abu Delleh and Luai Alomari, A. (2014, January 21). trigonometric ratio application. OER Commons. Retrieved August 20, 2024, from https://oercommons.org/authoring/4774-trigonometric-ratio-application.