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Euler's identity; Fibonacci's identity see Brahmagupta–Fibonacci identity or Cassini and Catalan identities; Heine's identity; Hermite's identity; Lagrange's identity; Lagrange's trigonometric identities; List of logarithmic identities; MacWilliams identity; Matrix determinant lemma; Newton's identity; Parseval's identity; Pfister's sixteen ...
In mathematics education, ethnomathematics is the study of the relationship between mathematics and culture. [1] Often associated with "cultures without written expression", [2] it may also be defined as "the mathematics which is practised among identifiable cultural groups". [3]
This category is for mathematical identities, i.e. identically true relations holding in some area of algebra (including abstract algebra, or formal power series). Subcategories This category has only the following subcategory.
Visual proof of the Pythagorean identity: for any angle , the point (,) = (, ) lies on the unit circle, which satisfies the equation + =.Thus, + =. In mathematics, an identity is an equality relating one mathematical expression A to another mathematical expression B, such that A and B (which might contain some variables) produce the same value for all values of the variables ...
Download as PDF; Printable version; In other projects Wikimedia Commons; ... Mathematics portal Subcategories. This category has the following 121 subcategories, out ...
The proofs of the two identities are completely analogous, so only the proof of the second is presented here. The key ingredients of the proof are: to write x x = exp ( x ln x ) {\textstyle x^{x}=\exp(x\ln x)} (using the notation ln for the natural logarithm and exp for the exponential function );
In mathematics and analytic number theory, Vaughan's identity is an identity found by R. C. Vaughan that can be used to simplify Vinogradov's work on trigonometric sums. It can be used to estimate summatory functions of the form
Michael Danos and Johann Rafelski edited the Pocketbook of Mathematical Functions, published by Verlag Harri Deutsch in 1984. [14] [15] The book is an abridged version of Abramowitz's and Stegun's Handbook, retaining most of the formulas (except for the first and the two last original chapters, which were dropped), but reducing the numerical tables to a minimum, [14] which, by this time, could ...