Eusea, Jared. "OpenStax Algebra and Trigonometry Chapter 10 (Part 1) Lecture Notes". OER Commons. Institute for the Study of Knowledge Management in Education, 30 Jul. 2019. Web. 19 Aug. 2024. <https://oercommons.org/authoring/56392-openstax-algebra-and-trigonometry-chapter-10-part>.
Eusea, J. (2019, July 30). OpenStax Algebra and Trigonometry Chapter 10 (Part 1) Lecture Notes. OER Commons. Retrieved August 19, 2024, from https://oercommons.org/authoring/56392-openstax-algebra-and-trigonometry-chapter-10-part.