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  1. 21 hours ago · Carl Friedrich Gauss. Johann Carl Friedrich Gauss (German: Gauß [kaʁl ˈfʁiːdʁɪç ˈɡaʊs] ⓘ; [2] [3] Latin: Carolus Fridericus Gauss; 30 April 1777 – 23 February 1855) was a German mathematician, astronomer, geodesist, and physicist who contributed to many fields in mathematics and science. He ranks among history's most influential ...

  2. 21 hours ago · 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 of the hypotenuse.

  3. 21 hours ago · Big O notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity. Big O is a member of a family of notations invented by German mathematicians Paul Bachmann, [1] Edmund Landau, [2] and others, collectively called Bachmann–Landau notation or asymptotic ...

  4. en.wikipedia.org › wiki › Terence_TaoTerence Tao - Wikipedia

    21 hours ago · Terence Chi-Shen Tao FAA FRS ( Chinese: 陶哲軒; born 17 July 1975) is an Australian mathematician who is a professor of mathematics at the University of California, Los Angeles (UCLA), where he holds the James and Carol Collins Chair in the College of Letters and Sciences. His research includes topics in harmonic analysis, partial differential equations, algebraic combinatorics, arithmetic ...

  5. en.wikipedia.org › wiki › AlhambraAlhambra - Wikipedia

    21 hours ago · The Alhambra ( / ælˈhæmbrə /, Spanish: [aˈlambɾa]; Arabic: الْحَمْرَاء, romanized : al-ḥamrāʼ ) is a palace and fortress complex located in Granada, Andalusia, Spain. It is one of the most famous monuments of Islamic architecture and one of the best-preserved palaces of the historic Islamic world, in addition to containing ...

  6. en.wikipedia.org › wiki › 44 - Wikipedia

    21 hours ago · Holistically, there are four elementary arithmetic operations in mathematics: addition ( + ), subtraction ( − ), multiplication ( × ), and division ( ÷ ); and four basic number systems, the real numbers , rational numbers , integers , and natural numbers .

  7. en.wikipedia.org › wiki › CryptographyCryptography - Wikipedia

    21 hours ago · Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized : kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [1] ), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2]

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