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  2. Unit circle - Wikipedia

    en.wikipedia.org/wiki/Unit_circle

    Since C = 2πr, the circumference of a unit circle is 2π. In mathematics, a unit circle is a circle of unit radius—that is, a radius of 1. [1] 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.

  3. Trigonometric functions - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_functions

    All of the trigonometric functions of the angle θ (theta) can be constructed geometrically in terms of a unit circle centered at O. Sine function on unit circle (top) and its graph (bottom) In this illustration, the six trigonometric functions of an arbitrary angle θ are represented as Cartesian coordinates of points related to the unit circle.

  4. Circa Infinity - Wikipedia

    en.wikipedia.org/wiki/Circa_Infinity

    Circa Infinity is a puzzle-platform game developed and published by Kenny Sun. It was released on September 9, 2015 for Microsoft Windows, OS X, and Linux.Versions for Nintendo Switch, Xbox One, and Xbox Series X and Series S were released by RedDeerGames on November 5, 2021.

  5. File:Unit circle angles.svg - Wikipedia

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

    English: Some common angles (multiples of 30 and 45 degrees) and the corresponding sine and cosine values shown on the Unit circle.The angles (θ) are given in degrees and radians, together with the corresponding intersection point on the unit circle, (cos θ, sin θ).

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  7. Nim - Wikipedia

    en.wikipedia.org/wiki/Nim

    The evolution graph of the game of nim with three heaps is the same as three branches of the evolution graph of the Ulam–Warburton automaton. [ 9 ] Nim has been mathematically solved for any number of initial heaps and objects, and there is an easily calculated way to determine which player will win and which winning moves are open to that ...

  8. Play Just Words Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/just-words

    If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!

  9. File:Unit circle used to define sine and cosine.svg - Wikipedia

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

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