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PLANE AND SPHERICAL

TRIGONOMETRY

D. A. MURRAY, B. A., Ph.D.

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PLANE TRIGONOMETRY

FOR

COLLEGES AND SECONDARY SCHOOLS

BY

DANIEL A. MURRAY, PH.D. (Johns Hopkins)

PROFESSOR OF MATHEMATICS IN DALHOUSIE COLLEGE,

HALIFAX, N.S.

LONGMANS, GREEN, AND CO.

91 AND 93 FIFTH AVENUE, NEW YORK
LONDON, BOMBAY, AND CALCUTTA
York Publio Library,

1908

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PUBLIC LIBALY

650044

ASTOR, LENOX AND
TILDEN FOUNDATIONS.
OR
1913

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:Copyright, 1899, BY
LONGMANS, GREEN, AND CO.

ALL RIGHTS RESERVED.

First EDITION, November, 1899.
REPRINTED, FEBRUARY AND SEPTEMBER, 1900;

SEPTEMBER, 1901; AUGUST, 1902;
SEPTEMBER, 1904; APRIL, 1909;
FEBRUARY, 1906; AUGUST, 1907.
FEBRUARY, 1906; AUGUST, 1907;

May, 1908.

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