Modern trigonometry : from the function standpoint /
Favila, Raymundo Acosta 1909-
Modern trigonometry : from the function standpoint / Raymundo A. Favila, Esther Z. Doval Santos.- - [Manila] : National Book Store, [1976] ©1976 - 265 pages : illustrations.
Trigonometry.
QA 531 / F39 1976
Modern trigonometry : from the function standpoint / Raymundo A. Favila, Esther Z. Doval Santos.- - [Manila] : National Book Store, [1976] ©1976 - 265 pages : illustrations.
Trigonometry.
QA 531 / F39 1976