Trigonametrik funkciyalardıń anıqlamalarınan paydalanıp berilgen teńliklerdi esaplaw hám dálillew. Modern education and development, [S. l.], v. 5, n. 1, p. 194–199, 2024. Disponível em: https://modernedu-dv.com/dv/article/view/38.. Acesso em: 23 dec. 2024.