Javier JC, Cacao LN, Dilla BJ, Geramos F, Pagara J. Relationship Between Prerequisite Mathematical Competencies and Trigonometric Learning Proficiency Among Grade 9 Students . IJROMS [Internet]. 2026 Aug. 9 [cited 2026 Sep. 10];1(6):77–93. Available from: https://ijroms.com/index.php/home/article/view/issue_v1i6a6