Xudoyberdiyev Norto‘ra Qobilovich, and Karimov Navro‘zbek Abdurasul o‘g‘li. “Y= ???? ???? ∗ ???? ???????????? TRIGONOMETRIK FUNKSIYANING YUQORI TARTIBLI HOSILASINI HISOBLOVCHI REKURENT FORMULA MAVJUDMI?”. TADQIQOTLAR.UZ 39, no. 4 (June 4, 2024): 75–76. Accessed December 22, 2024. https://tadqiqotlar.uz/new/article/view/3601.