inverse tangent
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inverse tangent — noun the inverse function of the tangent; the angle that has a tangent equal to a given number • Syn: ↑arc tangent, ↑arctangent, ↑arctan • Hypernyms: ↑trigonometric function, ↑circular function * * * noun … Useful english dictionary
inverse tangent — /ˈɪnvɜs tændʒənt/ (say invers tanjuhnt) noun → arc tangent …
Inverse trigonometric functions — Trigonometry History Usage Functions Generalized Inverse functions Further reading … Wikipedia
tangent — tangent, ente [ tɑ̃ʒɑ̃, ɑ̃t ] adj. • 1683; lat. tangens, entis, de tangere « toucher » 1 ♦ Géom. Qui n a qu un point de contact en un seul point. (1705) Plan tangent à une surface : ensemble des tangentes en un point à cette surface, formant… … Encyclopédie Universelle
Tangent space — In mathematics, the tangent space of a manifold is a concept which facilitates the generalization of vectors from affine spaces to general manifolds, since in the latter case one cannot simply subtract two points to obtain a vector pointing from… … Wikipedia
Inverse functions and differentiation — In mathematics, the inverse of a function y = f(x) is a function that, in some fashion, undoes the effect of f (see inverse function for a formal and detailed definition). The inverse of f is denoted f^{ 1}. The statements y=f(x) and x=f 1(y) are … Wikipedia
Inverse problem for Lagrangian mechanics — In mathematics, the inverse problem for Lagrangian mechanics is the problem of determining whether a given system of ordinary differential equations can arise as the Euler–Lagrange equations for some Lagrangian function. There has been a great… … Wikipedia
Inverse trigonometrical functions — Function Func tion, n. [L. functio, fr. fungi to perform, execute, akin to Skr. bhuj to enjoy, have the use of: cf. F. fonction. Cf. {Defunct}.] 1. The act of executing or performing any duty, office, or calling; performance. In the function of… … The Collaborative International Dictionary of English
arc tangent — /ˈak tændʒənt/ (say ahk tanjuhnt) noun the inverse function to the tangent; if y is the tangent of θ, then θ is the arc tangent of y; inverse tangent. Also, arctan …
arc tangent — noun the inverse function of the tangent; the angle that has a tangent equal to a given number • Syn: ↑arctangent, ↑arctan, ↑inverse tangent • Hypernyms: ↑trigonometric function, ↑circular function … Useful english dictionary
