TRIGONOMETRIES

BY

PROFESSOR R. E. MORITZ

Text Book on Spherical Trigonometry.

8vo, vi + 67 pages, 41 figures. Cloth, $1.00 net. Elements of Plane Trigonometry. (With five-place tables.) 8vo, xiv + 451 pages, 183 figures. Cloth, $2.00 net. Plane and Spherical Trigonometry. (With five-place tables.) 8vo, xii + 518 pages, 224 figures. Cloth, $2.50 net.

PLANE AND SPHERICAL

TRIGONOMETRY

(WITH FIVE-PLACE TABLES)

A TEXT-BOOK FOR TECHNICAL SCHOOLS
AND COLLEGES

BY

ROBERT E. MORITZ, PH.D., Pн.N.D.

PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF WASHINGTON

NEW YORK
JOHN WILEY & SONS, INC.
LONDON: CHAPMAN & HALL, LIMITED

HARVARD
UNIVERSITY
LIBRARY
DEC 19 1961

COPYRIGHT, 1913,

BY

ROBERT E. MORITZ

Stanbope Press

F. H. GILSON COMPANY

BOSTON, U.S. A.