enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Sine and cosine - Wikipedia

    en.wikipedia.org/wiki/Sine_and_cosine

    In mathematics, sine and cosine are trigonometric functions of an angle.The sine and cosine of an acute angle are defined in the context of a right triangle: for the specified angle, its sine is the ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse), and the cosine is the ratio of the length of the adjacent leg to that ...

  3. Pilcrow - Wikipedia

    en.wikipedia.org/wiki/Pilcrow

    The first way to divide sentences into groups in Ancient Greek was the original παράγραφος [parágraphos], which was a horizontal line in the margin to the left of the main text. [7] As the paragraphos became more popular, the horizontal line eventually changed into the Greek letter Gamma ( Γ , γ ) and later into litterae ...

  4. Probability - Wikipedia

    en.wikipedia.org/wiki/Probability

    The scientific study of probability is a modern development of mathematics. Gambling shows that there has been an interest in quantifying the ideas of probability throughout history, but exact mathematical descriptions arose much later. There are reasons for the slow development of the mathematics of probability.

  5. Expected value - Wikipedia

    en.wikipedia.org/wiki/Expected_value

    The idea of the expected value originated in the middle of the 17th century from the study of the so-called problem of points, which seeks to divide the stakes in a fair way between two players, who have to end their game before it is properly finished. [4] This problem had been debated for centuries.

  6. Fermat primality test - Wikipedia

    en.wikipedia.org/wiki/Fermat_primality_test

    Suppose we wish to determine whether n = 221 is prime.Randomly pick 1 < a < 220, say a = 38.We check the above congruence and find that it holds: = (). Either 221 is prime, or 38 is a Fermat liar, so we take another a, say 24:

  7. List of sports - Wikipedia

    en.wikipedia.org/wiki/List_of_sports

    The following is a list of sports/games, divided by category. According to the World Sports Encyclopaedia (2003), there are 8,000 indigenous sports and sporting games . [ 1 ]

  8. Middle Ages - Wikipedia

    en.wikipedia.org/wiki/Middle_Ages

    Middle Ages c. AD 500 – 1500 A medieval stained glass panel from Canterbury Cathedral, c. 1175 – c. 1180, depicting the Parable of the Sower, a biblical narrative Including Early Middle Ages High Middle Ages Late Middle Ages Key events Fall of the Western Roman Empire Spread of Islam Treaty of Verdun East–West Schism Crusades Magna Carta Hundred Years' War Black Death Fall of ...

  9. Kerala - Wikipedia

    en.wikipedia.org/wiki/Kerala

    In the state, the rate of population growth is India's lowest, and the decadal growth of 4.9% in 2011 is less than one-third of the all-India average of 17.6%. [339] Kerala's population more than doubled between 1951 and 1991 by adding 15.6 million people to reach 29.1 million residents in 1991; the population stood at 33.3 million by 2011. [339]