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  1. Viète. de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.

  2. en.wikipedia.org › wiki › Porto_CovoPorto Covo - Wikipedia

    Porto Covo is one of the two civil parishes in the municipality of Sines, located along the western Alentejo coast of Portugal, about 170 km (110 mi) south of Lisbon. The population in 2011 was 1,038, [1] in an area of 50.72 km 2. [2] Known for its beaches and ties to the ocean, the name Porto Covo likely translates as port of the covos, the ...

  3. In optics, the Abbe sine condition is a condition that must be fulfilled by a lens or other optical system in order for it to produce sharp images of off-axis as well as on-axis objects. It was formulated by Ernst Abbe in the context of microscopes. [1] The Abbe sine condition says that. the sine of the object-space angle should be proportional ...

  4. eo.wikipedia.org › wiki › SinesSines - Vikipedio

    Statuo de Vasco da Gama ĉe lia naskiĝloko, Sines, Portugalio. Sines estas portugala urbo de la distrikto de Setubal, regiono Alentejo kaj subregiono Alentejo Litoral, kun ĉirkaŭ 18,298 loĝantoj (2015 INE). Ĝi estas la plej granda kaj unua havenareo de Portugalio kaj la ĉefa industria havenurbo en Portugalio kaj naskoloko de Vasco da Gama .

  5. en.wikipedia.org › wiki › Johnny_SinsJohnny Sins - Wikipedia

    Steven Wolfe (born December 31, 1978), better known as Johnny Sins, is an American pornographic actor, director, and YouTuber.He is consistently among the most popular male talent pornography searches and is known for his shaved head, muscular physique, and blue eyes.

  6. Pagine nella categoria "Freguesias di Sines" Questa categoria contiene un'unica pagina, indicata di seguito.

  7. Sito ufficiale. Modifica dati su Wikidata · Manuale. Sinéad Marie Bernadette O'Connor ( IPA: [ʃɪˈneɪd oʊˈkɒnə (r)]; Dublino, 8 dicembre 1966 – Londra, 26 luglio 2023) è stata una cantautrice irlandese. Nel 2017 cambiò il suo nome all'anagrafe in Magda Davitt [1] e, dopo la conversione all' Islam [2] nel 2018, in Shuhada' Sadaqat .