Tan, Vidal A.
Plane and spherical trigonometry / - Revised edition. - Manila : Macaraig Publishing Company, c1957. - vi, 348 pages : illustrations ; 22 cm.
M595
Plane trigonometry.
Spherical trigonometry.
516.24 / T1616 1957
Plane and spherical trigonometry / - Revised edition. - Manila : Macaraig Publishing Company, c1957. - vi, 348 pages : illustrations ; 22 cm.
M595
Plane trigonometry.
Spherical trigonometry.
516.24 / T1616 1957