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PLANE AND SPHERICAL

TRIGONOMETRY

THE MARSH AND ASHTON MATHEMATICAL SERIES.

BY

WALTER R. MARSH,

HEAD MASTER PINGRY SCHOOL, ELIZABETH, N.J.

AND

CHARLES H. ASHTON,

INSTRUCTOR IN MATHEMATICS, HARVARD UNIVERSITY.

The series will include text-books in

ELEMENTARY ALGEBRA,

COLLEGE ALGEBRA,

PLANE AND SOLID GEOMETRY,

PLANE AND SPHERICAL TRIGONOMETRY,
PLANE AND SOLID ANALYTIC GEOMETRY.

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CHARLES H. ASHTON, A.M.

ASSISTANT PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF KANSAS

AND

WALTER R. MARSH, A.B.

HEAD MASTER PINGRY SCHOOL, ELIZABETH, N. J.

NEW YORK
CHARLES SCRIBNER'S SONS

1908

EducT 169.08.165-

NARVARD COLLEGE LIBRARY

GIFT OF

GEORGE ARTHUR PLIMPTON
JANUARY 25, 1924

COPYRIGHT, 1902, BY

CHARLES SCRIBNER'S SONS

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