Formulæ for sn 9u
Subtitle: O. Sudo
Publisher: [s.n.]
Published: 1895
Place of publication: [s.l.]
Language: eng
Number of pages: 284
Other titles: Formulae for sn 9u
Notes: "Reprinted from the Journal of the College of Science, Imperial University, Tōkyō, Japan, Vol. VII Pt. IV. 1895."

With: E. Sakai, Formulæ for sn 10u, cn 10u, dn 10u, in terms of sn u, p. [285]-288.