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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 - 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.

  3. TANGENT Definition & Meaning - Merriam-Webster

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

  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

    Nov 20, 2025 · 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 …

  6. Tangent Formulas - GeeksforGeeks

    Jul 23, 2025 · Tangent of an angle in a right-angled triangle is the ratio of the length of the opposite side to the length of the adjacent side to the given angle. We write a tangent function …

  7. 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 …

  8. 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.

  9. 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 …

  10. Tangent -- from Wolfram MathWorld

    Dec 3, 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 …