RODE, G. G. Propagation of Measurement Errors and Measured Means of a Physical Quantity for the Elementary Functions cos x and arccos x. Ukrainian Journal of Physics, [S. l.], v. 61, n. 4, p. 345, 2019. DOI: 10.15407/ujpe61.04.0345. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019098. Acesso em: 11 aug. 2022.