JAVIER, Julius Ceasar; CACAO, Lyka Nicolle; DILLA, Buen Juliah; GERAMOS, Faith; PAGARA, Jellian. Relationship Between Prerequisite Mathematical Competencies and Trigonometric Learning Proficiency Among Grade 9 Students . International Journal of Research on Multidisciplinary Studies, [S. l.], v. 1, n. 6, p. 77–93, 2026. DOI: 10.5281/zenodo.21392924. Disponível em: https://www.ijroms.com/index.php/home/article/view/issue_v1i6a6. Acesso em: 9 oct. 2026.