**subtending** — v. be opposite to (Mathematics); lie beneath, extend under … English contemporary dictionary

**subtending** — … Useful english dictionary

**Inflorescence** — of Anthurium scherzerianum. An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are… … Wikipedia

**Bract** — In botany, a bract is a modified or specialized leaf. Bracts are ordinarily associated with reproductive structures (subtending flowers, inflorescence axes, or cone scales). They are ordinarily reduced in size relative to foliage leaves, or of a… … Wikipedia

**Ptolemy's theorem** — In mathematics, Ptolemy s theorem is a relation in Euclidean geometry between the four sides and two diagonals or chords of a cyclic quadrilateral. The theorem is named after the Greek astronomer and mathematician Ptolemy (Claudius Ptolemaeus).If … Wikipedia

**Inscribed angle** — In geometry, an inscribed angle is formed when two secant lines of a circle (or, in a degenerate case, when one secant line and one tangent line of that circle) intersect on the circle.Typically, it is easiest to think of an inscribed angle as… … Wikipedia

**Spherical trigonometry** — Spherical triangle Spherical trigonometry is a branch of spherical geometry which deals with polygons (especially triangles) on the sphere and the relationships between the sides and the angles. This is of great importance for calculations in… … Wikipedia

**Cannabis (drug)** — Marijuana redirects here. For other uses, see Marijuana (disambiguation). For the plant genus, see Cannabis. Cannabis … Wikipedia

**Aristarchus On the Sizes and Distances** — Aristarchus s 3rd century BC calculations on the relative sizes of, from left, the Sun, Earth and Moon, from a 10th century CE Greek copy On the Sizes and Distances (of the Sun and Moon) (Περὶ μεγεθῶν καὶ ἀποστημάτων [ἡλίου καὶ σελήνης]) is… … Wikipedia

**History 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 ,… … Wikipedia