Essentials of trigonometry
By: by David Eugene Smith, William David Reeve and Edward Longworth Morss.
Contributors: Reeve, William David, 1883- joint author.; Morss, Edward Longworth, joint author.
Publisher: Ginn and company
Published: 1928
Place of publication: Boston; New York [etc.]
Language: eng
Number of pages: 250
Subjects: Trigonometry.