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geometry > differential geometry > tangent
mathematical analysis > function > elementary function > trigonometric function > tangent
mathematical analysis > complex analysis > analytic function > trigonometric function > tangent
... > mathematical analysis > real analysis > real-valued function > analytic function > trigonometric function > tangent
... > mathematical analysis > functional analysis > transformation > harmonic analysis > trigonometric function > tangent
geometry > Euclidean geometry > trigonometry > tangent

Terme préférentiel

tangent  

Définition(s)

  • In geometry, the tangent line (or simply tangent) to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve. More precisely, a straight line is said to be a tangent of a curve y = f(x) at a point x = c if the line passes through the point (c, f(c)) on the curve and has slope f'(c), where f' is the derivative of f. A similar definition applies to space curves and curves in n-dimensional Euclidean space.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Tangent)

Concept(s) générique(s)

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http://data.loterre.fr/ark:/67375/PSR-L68XPGK4-V

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RDF/XML TURTLE JSON-LD Dernière modif. 12/10/2023