BHATTACHARJEE, P. USE OF TANGENT AND NORMAL VECTORS FOR THE DERIVATION OF EQUATIONS OF TANGENT AND NORMAL. International journal of physics & mathematics, [S. l.], v. 7, n. 1, 2024. Disponível em: https://sloap.org/journal/index.php/ijpm/article/view/2287. Acesso em: 16 jul. 2024.