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  2. Trigonometry - Wikipedia

    en.wikipedia.org/wiki/Trigonometry

    Khan Academy: Trigonometry, free online micro lectures; Trigonometry by Alfred Monroe Kenyon and Louis Ingold, The Macmillan Company, 1914. In images, full text presented. Benjamin Banneker's Trigonometry Puzzle at Convergence; Dave's Short Course in Trigonometry by David Joyce of Clark University; Trigonometry, by Michael Corral, Covers ...

  3. Outline of trigonometry - Wikipedia

    en.wikipedia.org/wiki/Outline_of_trigonometry

    Geometry is used extensively in trigonometry. Angle – the angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane.

  4. Trigonometric tables - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_tables

    A trigonometry table is essentially a reference chart that presents the values of sine, cosine, tangent, and other trigonometric functions for various angles. These angles are usually arranged across the top row of the table, while the different trigonometric functions are labeled in the first column on the left.

  5. File:TrigonometryTriangle.svg - Wikipedia

    en.wikipedia.org/wiki/File:TrigonometryTriangle.svg

    The following other wikis use this file: Usage on am.wikipedia.org ትሪጎኖሜትሪ; Usage on bcl.wikipedia.org Trigonometriya; Usage on bn.wikipedia.org

  6. Trigonometric functions - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_functions

    Basis of trigonometry: if two right triangles have equal acute angles, they are similar, so their corresponding side lengths are proportional.. In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.

  7. Unit circle - Wikipedia

    en.wikipedia.org/wiki/Unit_circle

    Frequently, especially in trigonometry, the unit circle is the circle of radius 1 centered at the origin (0, 0) in the Cartesian coordinate system in the Euclidean plane. In topology, it is often denoted as S 1 because it is a one-dimensional unit n-sphere. [2] [note 1]

  8. File:Trigonometric functions and inverse.svg - Wikipedia

    en.wikipedia.org/wiki/File:Trigonometric...

    The following other wikis use this file: Usage on ar.wikipedia.org دوال مثلثية عكسية; Usage on cs.wikipedia.org Cyklometrická funkce

  9. Jyā, koti-jyā and utkrama-jyā - Wikipedia

    en.wikipedia.org/wiki/Jyā,_koti-jyā_and_utkrama...

    Literal meaning of jyā Technical meaning of jyā and kojyā. An arc of a circle is like a bow and so is called a dhanu or chāpa which in Sanskrit means "a bow". The straight line joining the two extremities of an arc of a circle is like the string of a bow and this line is a chord of the circle.

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