OF

TRIGONOMETRY,

PLANE AND SPHERICAL.

ADAPTED TO THE PRESENT STATE OF ANALYSIS.

TO WHICH IS Added, their APPLICATION TO THE PRINCIPLES OF

NAVIGATION AND NAUTICAL ASTRONOMY.

WITH

LOGARITHMIC, TRIGONOMETRICAL, AND NAUTICAL

TABLES.

FOR THE

USE OF COLLEGES AND ACADEMIES.

BY THE REV. C. W. HACKLEY,
Professor of Mathematics in the University of the City of New-York.

PUBLISHED BY

WILEY & PUTNAM; COLLINS, KEESE & Co., NEW-YORK-THOMAS, COWPER-
THWAITE & Co., PHILADELPHIA-PERKINS & MARVIN, BOSTON-
CUSHING & SONS, BALTIMORE-S. BABCOCK & Co.,
CHARLESTON SMITH & PALMER, RICHMOND

1838.