- half-tangent
- полукасательная
Англо-русский технический словарь.
half-tangent
Смотреть что такое "half-tangent" в других словарях:
Tangent half-angle formula — In various applications of trigonometry, it is useful to rewrite the trigonometric functions (such as sine and cosine) in terms of rational functions of a new variable t . These identities are known collectively as the tangent half angle formulae … Wikipedia
Tangent cone — In geometry, the tangent cone is a generalization of the notion of the tangent space to a manifold to the case of certain spaces with singularities. Definition in convex geometry Let K be a closed convex subset of a real vector space V and part;… … Wikipedia
Tangent — For the tangent function see trigonometric functions. For other uses, see tangent (disambiguation). In geometry, the tangent line (or simply the tangent) to a curve at a given point is the straight line that just touches the curve at that point… … Wikipedia
Poincaré half-plane model — Stellated regular heptagonal tiling of the model.In non Euclidean geometry, the Poincaré half plane model is the upper half plane, together with a metric, the Poincaré metric, that makes it a model of two dimensional hyperbolic geometry.It is… … Wikipedia
List of QI episodes (A series) — infobox tvseason season name = QI Series A caption = The front cover of the QI Series A DVD, featuring Stephen Fry (right) and Alan Davies (left). dvd release date = 6 November 2006 country = UK network = BBC first aired = 11 September 2003 last… … Wikipedia
Trigonometric functions — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions … Wikipedia
List of QI episodes (B series) — infobox tvseason season name = QI Series B caption = The front cover of the QI series B DVD, featuring Stephen Fry (left) and Alan Davies (right). dvd release date = 17 March, 2008 country = UK network = BBC first aired = 8 October, 2004 last… … Wikipedia
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
List of trigonometric identities — Cosines and sines around the unit circle … Wikipedia
List of QI episodes (E series) — infobox tvseason season name = QI Series E caption = dvd release date = country = UK network = BBC first aired = 21 September 2007 last aired = 14 December 2007 num episodes = 13 prev series = Series D next series = Series F|This is a list of… … Wikipedia
Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… … Wikipedia
