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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 a right …

  2. Trigonometric functions - Wikipedia

    The trigonometric functions most widely used in modern mathematics are the sine, the cosine, and the tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent …

  3. 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.

  4. TANGENT Definition & Meaning - Merriam-Webster

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

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

    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 side adjacent to that angle.

  6. Tangent — Definition, Formula & Examples - Mathwords

    Tangent appears constantly in geometry, physics, and engineering whenever you need to relate vertical and horizontal distances. For example, if you know the angle of elevation to the top of a building and …

  7. Tangent function — online calculator, formulas, graph

    The tangent function is defined in a right-angled triangle as the ratio of the opposite and adjacent sides. The function is defined in the range from 90 ° ± k · 180 ° to 270 ° ± k · 180 ° and takes values from …

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    • Tangent to Circle, Meaning, Properties, Examples - Cuemath

      Tangent in geometry is defined as a line or plane that touches a curve or a curved surface at exactly one point. Learn about tangent definition along with properties and theorems.

    • Trigonometry Calculator

      Effortlessly find trigonometric function values (sin, cos, tan, cot) or solve for missing sides or angles in a right triangle using our remarkable tool crafted by experts.

    • Tangent -- from Wolfram MathWorld

      Mar 25, 2026 · 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 and Ryzhik …