**trigonometric function** — n. any of the basic functions (as sine, cosine, tangent, etc.) of an angle or arc, usually expressed as the ratio of pairs of sides of a right triangle: see SINE1 … English World dictionary

**trigonometric function** — Math. 1. Also called circular function. a function of an angle, as sine or cosine, expressed as the ratio of the sides of a right triangle. 2. any function involving only trigonometric functions and constants. 3. the generalization of these to… … Universalium

**trigonometric function** — noun function of an angle expressed as a ratio of the length of the sides of right angled triangle containing the angle • Syn: ↑circular function • Hypernyms: ↑function, ↑mathematical function, ↑single valued function, ↑map, ↑mapping … Useful english dictionary

**trigonometric function** — trig′onomet′ric func′tion n. math. a function of an angle, as the sine or cosine, expressed as the ratio of the sides of a right triangle Also called circular function Etymology: 1905–10 … From formal English to slang

**trigonometric function** — noun Any function of an angle expressed as the ratio of two of the sides of a right triangle that has that angle, or various other functions that subtract 1 from this value or subtract this value from 1 (such as the versed sine) See Also:… … Wiktionary

**inverse trigonometric function** — noun A function that is the inverse of an appropriate restriction of a trigonometric function … Wiktionary

**logarithmic trigonometric function** — noun The logarithm of a trigonometric function … Wiktionary

**inverse trigonometric function** — noun : the inverse of any of the six trigonometric functions … Useful english dictionary

**Trigonometric** — Trig o*no*met ric, Trigonometrical Trig o*no*met ric*al, [Cf. F. trigonom[ e]trique.] Of or pertaining to trigonometry; performed by the rules of trigonometry. [1913 Webster] {Trig o*no*met ric*al*ly}, adv. [1913 Webster] {Trigonometrical curve} … The Collaborative International Dictionary of English

**Trigonometric functions** — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions … Wikipedia