half angle

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• 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

• Half-moon — ( m[=oo]n ), n. 1. The moon at the quarters, when half its disk appears illuminated. [1913 Webster] 2. The shape of a half moon; a crescent. [1913 Webster] See how in warlike muster they appear, In rhombs, and wedges, and half moons, and wings.… …   The Collaborative International Dictionary of English

• Angle of arrival — measurement, or AoA, is a method for determining the direction of propagation of a radio frequent wave incident on an antenna array. AoA determines the direction by measuring the Time Difference of Arrival (TDOA) at individual elements of the… …   Wikipedia

• Angle — This article is about angles in geometry. For other uses, see Angle (disambiguation). Oblique angle redirects here. For the cinematographic technique, see Dutch angle. ∠, the angle symbol In geometry, an angle is the figure formed by two rays… …   Wikipedia

• Half Nelson suplex — Suplex Un suplex est un mouvement au catch et à la lutte. En français, suplex veut dire « souplesse ». C est une des prises les plus utilisées au catch. Un suplex consiste à projeter l adversaire à terre sur le dos, le cou ou les… …   Wikipédia en Français

• Half-hatch suplex — Suplex Un suplex est un mouvement au catch et à la lutte. En français, suplex veut dire « souplesse ». C est une des prises les plus utilisées au catch. Un suplex consiste à projeter l adversaire à terre sur le dos, le cou ou les… …   Wikipédia en Français

• Half Hatch suplex — Suplex Un suplex est un mouvement au catch et à la lutte. En français, suplex veut dire « souplesse ». C est une des prises les plus utilisées au catch. Un suplex consiste à projeter l adversaire à terre sur le dos, le cou ou les… …   Wikipédia en Français

• Angle of parallelism — In hyperbolic geometry, the angle of parallelism Φ is the angle at one vertex of a right hyperbolic triangle that has two asymptotic parallel sides. The angle depends on the segment length a between the right angle and the vertex of the angle of… …   Wikipedia

• Half-arch (crown) — A half arch is the piece of gold, silver or platinum, usually decorated with jewels, that links the circlet (circular base) of a crown to the globe at the top of the crown. Number of ArchesBritish tradition of 4 half archesIn the image of the… …   Wikipedia

• angle — The meeting point of two lines or planes; the figure formed by the junction of two lines or planes; the space bounded on two sides by lines or planes that meet. For angles not listed below, see the descriptive term; e.g., axioincisal, distobuccal …   Medical dictionary

• Angle of view — In photography, angle of view describes the angular extent of a given scene that is imaged by a camera. It parallels, and may be used interchangeably with, the more general visual term field of view.It is important to distinguish the angle of… …   Wikipedia