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  1. Dictionary
    tangent
    /ˈtan(d)ʒ(ə)nt/

    noun

    • 1. a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.
    • 2. a completely different line of thought or action: "Loretta's mind went off at a tangent"

    adjective

    • 1. (of a line or plane) touching, but not intersecting, a curve or curved surface: "this curve is tangent to the average cost curve"

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  2. dictionary.cambridge.org › dictionary › englishTANGENT | English meaning - Cambridge Dictionary

    trigonometry. in a triangle that has one angle of 90°, the ratio (= comparison) of the length of the side opposite an angle less than 90° divided by the length of the shorter of the two sides that are next to the angle. geometry. A tangent is also a line that touches a curve or solid at a particular point.

  3. www.merriam-webster.com › dictionary › tangentTangent Definition & Meaning - Merriam-Webster

    The meaning of TANGENT is an abrupt change of course : digression. How to use tangent in a sentence.

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  5. www.cuemath.com › geometry › tangentTangent - Tangent to Circle, Meaning, Properties, Examples -...

    Learn what a tangent is in geometry, how to draw and find tangents to a circle, and the tangent radius and two tangents theorems. See examples, formulas, and related topics on tangents.

  6. www.dictionary.com › browse › tangentTANGENT Definition & Meaning | Dictionary.com

    A tangent is a line, curve, or surface that touches another at a single point without intersecting it. It can also be a trigonometric function, a musical part, or an idiom for a sudden change of direction.

  7. en.wikipedia.org › wiki › TangentTangent - Wikipedia

    Tangent. Tangent to a curve. The red line is tangential to the curve at the point marked by a red dot. Tangent plane to a sphere. In geometry, the tangent line (or simply tangent) to a plane curve at a given point is, intuitively, the straight line that "just touches" the curve at that point.

  8. byjus.com › maths › tangentTangent Meaning in Geometry and Trigonometry - BYJU'S

    Learn what is a tangent in geometry and trigonometry, how to find its equation and value, and how to apply it in science and technology. A tangent is a line that touches a curve at one point or a ratio of opposite and adjacent sides of an angle.

  9. www.britannica.com › science › tangent-mathematical-functionTangent | Definition, Formulas, & Facts | Britannica

    Tangent is one of the six trigonometric functions that represent ratios of sides of right triangles. Learn how to calculate tangent, its identities, graphs, derivatives, integrals, and applications in mathematics and science.