Présentation de l'éditeur
This work is intended as a practical text-book on Plane andS pherical Trigonometry, adapted to the needs of High Schools and Colleges. While considerable space has been devoted to the development of the theoretical portions of the subject, the practical applications of the formulae have not been neglected, and in the chapters on theS olution ofT riangles will be found a carefully selected assortment of exercises and examples, arranged with the view of giving the student a thorough drill in numerical computation. Chapter II. is devoted to the functions of acute angles, the definitions being given by aid of the right triangle; a number of numerical and other exercises serve to give familiarity with them, and the usual fundamental relations are deduced. In Chapter III. the principles of the rectangular co-ordinates of a point in a plane are employed to give general definitions of the functions, applicable to angles of any magnitude, positive or negative, and the fundamental relations are proved to hold universally.
(Typographical errors above are due to OCR software and don't occur in the book.)
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