pythagorean identities
21History of trigonometry — The history of trigonometry and of trigonometric functions may span about 4000 years.EtymologyOur modern word sine is derived from the Latin word sinus , which means bay or fold , from a mistranslation (via Arabic) of the Sanskrit word jiva ,… …
22Square root of 5 — The square root of 5 is the positive real number that, when multiplied by itself, gives the prime number 5. This number appears in the formula for the golden ratio. It can be denoted in surd form as::sqrt{5}.It is an irrational algebraic number.… …
23Differentiation of trigonometric functions — Trigonometry History Usage Functions Generalized Inverse functions Further reading …
24Euclid — /yooh klid/, n. 1. fl. c300 B.C., Greek geometrician and educator at Alexandria. 2. a city in NE Ohio, near Cleveland. 59,999. * * * flourished с 300 BC, Alexandria, Egypt Greek mathematician of antiquity, known primarily for his highly… …
25Music and mathematics — and in 2009 when fabeso donwizzle entered chaney high he would have changes the awesomeness of the school forever! A spectrogram of a violin waveform, with linear frequency on the vertical axis and time on the horizontal axis. The bright lines… …
26arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
27Hyperbolic function — A ray through the origin intercepts the hyperbola in the point , where is twice the area between the ray and the …
28Cross product — This article is about the cross product of two vectors in three dimensional Euclidean space. For other uses, see Cross product (disambiguation). In mathematics, the cross product, vector product, or Gibbs vector product is a binary operation on… …
29KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… …
30Book of Daniel — For other uses, see Book of Daniel (disambiguation). Hebrew Bible …
