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History of trigonometry begins with the early study of triangles, traced to the 2nd millennium BC, in Ancient Egyptian mathematics (Rhind Mathematical...

Vieta's suggestion that cubics can be solved trigonometrically. Vieta's principle advance in trigonometry was his systematic application of algebra. ....

he was the first to divide a table of logarithms into numerical and trigonometric parts. Wolfgang Kaunzner, "Logarithms," Companion Encyclopedia of the...

the Gnomonic Projection of the Sphere (1836) Elements of Trigonometry, and Trigonometrical Analysis (1837) The Elements of Algebra (1837) An Essay on...

see that without the knowledge of triangles there is not trigonometry; that without trigonometry we put back the clock millennia to Standard Darkness Time...

Chrystal's excellent treatise on Algebra. The subject of Analytical Trigonometry has been too frequently presented to the student in the state in which...

astrology, but could not understand it on account of the geometry and trigonometry. He therefore bought a Euclid, and was surprised to find how obvious...

introduction to pure analytical mathematics. ...He ...shewed that the trigonometrical and exponential functions were connected by the relation cos ⁡ θ +...

never effectually revived. It is not so with Ptolemy or Diophantus. The trigonometry of the former is the foundation of a new study which was handed on to...

drew up a table of sines, and the Surya Siddhanta provided a system of trigonometry more advanced than anything known to the Greeks. Will Durant, Our Oriental...

astronomer, geographer, and mathematician. He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the...

the way large organizations run. I was not allowed to take spherical trigonometry because I'd sprained my ankle. Because I'd sprained my ankle I had an...

herself and make contributions in the fields of astronomy, mathematics (especially trigonometry), and poetry. Wikipedia has an article about: Wang Zhenyi...

Our Oriental heritage In the Surya Siddhanta is contained a system of trigonometry which not only goes beyond anything known to the Greeks, but involves...

solution of the cubic and quartic and through... partial... symbolism; and trigonometry had become an independent discipline. The time was almost ripe for rapid...

most original contributions. These, in brief, were nothing less than trigonometry and algebra (with its significantly Arab name). ... Equally distinguished...

by a trigonometric series. The first announcement of this great discovery was made by Fourier in 1807 before the French Academy. The trigonometric series...

fundamental principles of arithmetic, algebra, theory of equations, and trigonometry had been laid down, and the outlines of the subjects as we know them...

Euclid's Elements of Geometry Book 1-6, 11,12 (1845) p. i. The authors on Trigonometry may be divided into... theoretical and practical... [N]one... have combined...

period is the creation or development of modern arithmetic, algebra, and trigonometry. The Third Period, Modern Mathematics (Ch. XV-XIX) begins with the invention...