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  1. Sine, Cosine and Tangent - Math is Fun

    Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of …

  2. TANGENT Definition & Meaning - Merriam-Webster

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

  3. Tangent - Wikipedia

    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.

  4. Tangent - Math.net

    The graph of tangent is periodic, meaning that it repeats itself indefinitely. Unlike sine and cosine however, tangent has asymptotes separating each of its periods.

  5. Tangent | Definition, Formulas, & Facts | Britannica

    Jan 2, 2026 · The tangent is one of the six fundamental trigonometric functions in mathematics. In a right triangle, it is the ratio of the length of the side opposite a given angle to the length of the …

  6. TANGENT | definition in the Cambridge English Dictionary

    We were talking about exercise and got off on a tangent. A tangent is also a line that touches a curve or solid at a particular point. This is a novel with many tangents, little streams flowing off …

  7. Tangent Calculator

    This tangent calculator will help you to find the tangent of any angle you want. Just enter the angle in degrees or radians, and the tangent will appear in no time.

  8. Tangent in trigonometry made simple - Andrea Minini

    The word "tangent" comes from the Latin "tangere," meaning "to touch." Geometrically, the tangent is a line segment perpendicular to the x-axis, originating at point C and intersecting the …

  9. Tangent -- from Wolfram MathWorld

    Dec 22, 2025 · The tangent function is defined by tanx= (sinx)/ (cosx), (1) where sinx is the sine function and cosx is the cosine function. The notation tgx is sometimes also used (Gradshteyn …

  10. Tangent in Maths: Definition, Formula, Equation & Examples

    A tangent in maths is a straight line that touches a curve or circle at exactly one point, called the point of contact or tangency, without crossing the curve at that location.