A textbook of trignometry
Cowles, William H. H.
A textbook of trignometry for colleges and engineering schools [Text] Cowles, William H. H. - New York Van Nostrand 1936 - x,373 p. ill. 24 cm.
Topology
514 / COW
A textbook of trignometry for colleges and engineering schools [Text] Cowles, William H. H. - New York Van Nostrand 1936 - x,373 p. ill. 24 cm.
Topology
514 / COW