A system of popular trigonometryFor John Taylor, by James Duncan, 1827 - 80 pages |
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Common terms and phrases
ÆNEID ALGEBRA TO GEOMETRY angle ACD angle is equal angular APPLICATION OF ALGEBRA arithmetic series centre computation Consequently corresponding cos² cosec cosine cotan divided equal to half equal to one-third equation figure formula GEOM geometric series given angle goniometrical circle half a right Hence ibid inapproachable inasmuch JOHN HATCHARD length Let ACD letters likewise linear unit means MNOP multiplied numbers is equal opposite the right parallelopiped perpendicular prec radius ratio rectangle represent respectively right angle right lines drawn right-angled spherical triangle scil sec² secant sexagesimal side opposite sin² sine sine of ACD sphere SPHERICAL TRIGONOMETRY submultiple subtractive supplementary angles suppose surface tan² tangent third side three sides tion Treatise TRIGONOMETRY unity
Popular passages
Page 112 - A CRITICAL ESSAY on the GOSPEL of ST. LUKE, by Dr. FREDERICK SCHLEIERMACHER : with an Introduction by the Translator, containing an Account of the Controversy respecting the Origin of the Three First Gospels, since BISHOP MARSH'S Dissertation.
Page 112 - The Principal Roots of the Latin Language, simplified by a display of their Incorporation into the English Tongue ; with copious Notes. By HENRY HALL. Fifth Edition. 12mo, 1s. 6d. cloth limp. The Germania Of TacitUS. With Ethnological Dissertations and Notes. By Dr. RG LATHAM. Author of the " English Language,
Page 112 - Whereby an adult, previously unacquainted in the slightest degree with Latin, was enabled, in the short space of only Seven Days, to acquire so considerable a Knowledge of the Latin Language, as to translate, parse, and scan, the first book of Virgil's Royal Svo.
Page viii - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers.
Page 111 - Series consists of the following Interlinear Translations with the Original Text, in which the quantity of the doubtful Vowels is denoted ; critical and explanatory Notes, &c. %* By means of these Works, that excellent system of Tuition is effectually restored which was established by Dean Colet, Erasmus, and Lily, at the foundation of St.
Page 112 - The PRINCIPAL ROOTS of the LATIN LANGUAGE, Simplified by a display of their Incorporation into the English Tongue; with copious notes. By Henry Hall.
Page 91 - A straight line is said to be perpendicular to a plane when it is perpendicular to every straight line which passes through its foot in that plane, and the plane is said to be perpendicular to the line.
Page 95 - THEOREM. Every section of a sphere, made by a plane, is a circle.
Page 113 - I. containing the Geometry of Plane Curves. 8vo. 18s. AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS. 8vo. 21s. AN ANALYTICAL TREATISE ON PLANE AND SPHERICAL TRIGONOMETRY AND THE ANALYSIS OF ANGULAR SECTIONS. 8vo. 12s.
Page 7 - Now, we know that the three angles of any triangle, taken together, are equal to two right angles...