BA’ZI TRIGONOMETRIK AYNIYATLARNI VA TENGSIZLIKLARNI ISBOTLASH. Uzbek Scholar Journal, [S. l.], v. 37, p. 7–11, 2025. Disponível em: https://uzbekscholar.com/index.php/uzs/article/view/1041. Acesso em: 26 sep. 2025.