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  2. Adopt Me! - Wikipedia

    en.wikipedia.org/wiki/Adopt_Me!

    Due to the high cost of pets within the game, with some rare pets selling for up to US$300 on off-platform sites, [29] [30] a large subculture of scammers have risen within Adopt Me!. As the primary user base of Adopt Me! is on average younger than the rest of Roblox [citation needed], they are especially susceptible to falling for scams. [31] [32]

  3. Williams–Landel–Ferry equation - Wikipedia

    en.wikipedia.org/wiki/Williams–Landel–Ferry...

    The Williams-Landel-Ferry model, or WLF for short, is usually used for polymer melts or other fluids that have a glass transition temperature.. The model is: = (() +)where T-temperature, , , and are empiric parameters (only three of them are independent from each other).

  4. Exact trigonometric values - Wikipedia

    en.wikipedia.org/wiki/Exact_trigonometric_values

    In mathematics, the values of the trigonometric functions can be expressed approximately, as in ⁡ (/), or exactly, as in ⁡ (/) = /.While trigonometric tables contain many approximate values, the exact values for certain angles can be expressed by a combination of arithmetic operations and square roots.

  5. Inverse hyperbolic functions - Wikipedia

    en.wikipedia.org/wiki/Inverse_hyperbolic_functions

    A ray through the unit hyperbola = in the point (,), where is twice the area between the ray, the hyperbola, and the -axis. The earliest and most widely adopted symbols use the prefix arc-(that is: arcsinh, arccosh, arctanh, arcsech, arccsch, arccoth), by analogy with the inverse circular functions (arcsin, etc.).

  6. Spherical trigonometry - Wikipedia

    en.wikipedia.org/wiki/Spherical_trigonometry

    The cosine rule may be used to give the angles A, B, and C but, to avoid ambiguities, the half angle formulae are preferred. Case 2: two sides and an included angle given (SAS). The cosine rule gives a and then we are back to Case 1. Case 3: two sides and an opposite angle given (SSA). The sine rule gives C and then we have Case 7. There are ...

  7. Window function - Wikipedia

    en.wikipedia.org/wiki/Window_function

    A popular window function, the Hann window.Most popular window functions are similar bell-shaped curves. In signal processing and statistics, a window function (also known as an apodization function or tapering function [1]) is a mathematical function that is zero-valued outside of some chosen interval.

  8. cis (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Cis_(mathematics)

    cis is a mathematical notation defined by cis x = cos x + i sin x, [nb 1] where cos is the cosine function, i is the imaginary unit and sin is the sine function. x is the argument of the complex number (angle between line to point and x-axis in polar form).

  9. World Football League - Wikipedia

    en.wikipedia.org/wiki/World_Football_League

    The World Football League (WFL) was an American football league that played one full season in 1974 and most of its second in 1975.Although the league's proclaimed ambition was to bring American football onto a worldwide stage, only one team – the Hawaiians in Honolulu, Hawaii - was headquartered outside of continental North America.