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  2. Limaçon - Wikipedia

    en.wikipedia.org/wiki/Limaçon

    Construction of the limaçon r = 2 + cos(π – θ) with polar coordinates' origin at (x, y) = (⁠ 1 / 2 ⁠, 0). In geometry, a limaçon or limacon / ˈ l ɪ m ə s ɒ n /, also known as a limaçon of Pascal or Pascal's Snail, is defined as a roulette curve formed by the path of a point fixed to a circle when that circle rolls around the outside of a circle of equal radius.

  3. Singular point of a curve - Wikipedia

    en.wikipedia.org/wiki/Singular_point_of_a_curve

    Three limaçons illustrating the types of double point. When converted to Cartesian coordinates as (+) = (+), the left curve acquires an acnode at the origin, which is an isolated point in the plane.

  4. Limaçon trisectrix - Wikipedia

    en.wikipedia.org/wiki/Limaçon_trisectrix

    In geometry, a limaçon trisectrix is the name for the quartic plane curve that is a trisectrix that is specified as a limaçon.The shape of the limaçon trisectrix can be specified by other curves particularly as a rose, conchoid or epitrochoid. [1]

  5. Wikipedia:Reference desk/Archives/Mathematics/2010 June 28

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    The example shows that if you got 1 tail and 2 heads in the first 3 flips, then you should expect 1.4±0.5 tails and 2.6±0.5 heads in a total of 4 flips. Bo Jacoby ( talk ) 23:18, 28 June 2010 (UTC) .

  6. Straightedge and compass construction - Wikipedia

    en.wikipedia.org/wiki/Straightedge_and_compass...

    A regular n-gon has a solid construction if and only if n=2 a 3 b m where a and b are some non-negative integers and m is a product of zero or more distinct Pierpont primes (primes of the form 2 r 3 s +1). Therefore, regular n-gon admits a solid, but not planar, construction if and only if n is in the sequence

  7. Three Lions (song) - Wikipedia

    en.wikipedia.org/wiki/Three_Lions_(song)

    "Three Lions", commonly referred to as "It's Coming Home" or "Football's Coming Home", is a song by the English comedians David Baddiel and Frank Skinner and the rock band the Lightning Seeds. [2] It was released on 20 May 1996 through Epic Records to mark the England football team's participation in that year's UEFA European Championship ...

  8. The Love for Three Oranges (fairy tale) - Wikipedia

    en.wikipedia.org/wiki/The_Love_for_Three_Oranges...

    "The Love for the Three Oranges" or "The Three Citrons" (Neapolitan: Le Tre Cetre) is an Italian literary fairy tale written by Giambattista Basile in the Pentamerone in the 17th century. [1] It is the concluding tale, and the one the heroine of the frame story uses to reveal that an imposter has taken her place.

  9. Lovely Ilonka - Wikipedia

    en.wikipedia.org/wiki/Lovely_Ilonka

    A king goes hunting in the woods, but three animals plead for their lives (a deer, a hare and a fox). All three animals point to a magical oak tree with three branches and say, if the king break each of the branches, a maiden shall appear and request water to drink. With the first two branches, the maidens die, but the king gives water to the ...