PHAM, Trong Thu. Using the trigonometric method to solve some Algebra - Analysis problems in high school mathemmatics curriculum. Dong Thap University Journal of Science, [S. l.], n. 16, p. 122–128, 2015. DOI: 10.52714/dthu.16.10.2015.283. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/1028. Acesso em: 8 sep. 2024.