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- and mathematician of the Hellenistic period, considered the founder of trigonometry. Most famous for his discovery of precession of the equinoxes.535 bytes (83 words) - 03:42, 14 October 2015
- Coordinate Geometry (1858, 3rd ed., 1861) Plane Trigonometry (1859, 4th ed., 1869) Spherical Trigonometry (1859) History of the Calculus of Variations (1861)2 KB (244 words) - 22:28, 29 August 2015
- Differential and Integral Calculus (individual articles) Penny Cyclopedia Trigonometry and Double Algebra (1849) Budget of Paradoxes (letters to journal) Athenæum1 KB (216 words) - 05:26, 29 August 2015
- author are designated in the DMM by the initials "T. P. H." Elementary trigonometry (1862) Articles published in A Dictionary of Music and Musicians631 bytes (148 words) - 10:28, 29 August 2015
- “Spherical Harmonics,” in Encyclopædia Britannica, (11th ed.), 1911 “Trigonometry,” in Encyclopædia Britannica, (11th ed.), 1911 Some or all works536 bytes (144 words) - 10:01, 29 August 2015
- _William17931866English mathematician and geologist. Elements of Trigonometry, London, 1833, Abstract of a Memoir on Physical Geology, Cambridge, 1836969 bytes (165 words) - 10:16, 29 August 2015
- (Philadelphia), 1852. (External scan) A Short Practical Treatise on Spherical Trigonometry, Valpy, 1835. (External scan) Spon's Dictionary of Engineering, Spon4 KB (411 words) - 03:19, 29 August 2015
- who organised the task of manually producing standard logarithmic and trigonometric tables Works by this author published before January 1, 1923438 bytes (87 words) - 05:24, 9 November 2015
- Proportions (18-47) Discourse 3: Geometric Theorems (48-80) Discourse 4: Trigonometry and the Measurement of Triangles (81-139) Discourse 5: The Measurement2 KB (123 words) - 17:58, 19 December 2013
- of equal rotation plane, then the rotation angles sum up, not their trigonometric functions. The same is true for two translations of equal direction13 KB (1,521 words) - 13:34, 9 December 2013
- Plane and Spherical Trigonometry and Four-Place Tables of Logarithms By W. A. Granville, Ph.D., LL.D. Plane and Spherical Trigonometry By W. A. Granville677 bytes (459 words) - 02:43, 25 July 2015
- Ayil Meshulash Discourse 4 Trigonometry and the Measurement of Triangles 1425306Ayil Meshulash — Discourse 4 Trigonometry and the Measurement of Triangles41 KB (7,509 words) - 03:09, 17 October 2013
- 1. Formulas from Algebra, Trigonometry, and Analytic Geometry ......................................................................................1 KB (0 words) - 04:04, 29 October 2015
- representation of values of trigonometric functions in various quadrants. A trigonometric identity is an equality involving trigonometric functions of Θ which42 KB (4,939 words) - 08:34, 20 March 2013
- Todhunter, I. "Note on the History of Certain Formulæ in Spherical Trigonometry," Philosophical Magazine, February, 1873. Die Basler Mathematiker, Daniel279 bytes (1,313 words) - 16:07, 27 September 2013
- (1436-1476). Chiefly to him we owe the revival of trigonometry. He studied astronomy and trigonometry at Vienna under the celebrated George Purbach. The350 bytes (5,214 words) - 13:56, 20 October 2013
- in nine books, of which the first is devoted to trigonometry. In his treatment of spherical trigonometry, he exercises great independence of thought. He340 bytes (5,137 words) - 02:50, 10 October 2013
- Algebra,' London, 1810, 8vo. 'Six Lectures on the Elements of Plane Trigonometry,' London, 1810, 8vo. These were included in a collection of his 'Mathematical371 bytes (318 words) - 00:54, 22 February 2011
- composition of velocities in relativity theory the formulas of spherical trigonometry with imaginary sides do apply. Now, hyperbolic geometry is the imaginary889 bytes (6,507 words) - 13:41, 9 December 2013
- published for his academy a Hebrew Grammar, and a treatise on ‘Plane Trigonometry;’ for his congregation, a book of ‘Tunes;’ and Funeral Sermons for Dr332 bytes (488 words) - 12:05, 28 January 2011