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Tau (/ ˈ t ɔː, ˈ t ɒ, ˈ t aʊ /; uppercase Τ, lowercase τ or ; Greek: ταυ) is the nineteenth letter of the Greek alphabet, representing the voiceless dental or alveolar plosive IPA:. In the system of Greek numerals , it has a value of 300.
tau: [noun] the 19th letter of the Greek alphabet — see Alphabet Table.
The Greek small letter τ (tau) is used in math as the circle constant to represent a full rotation around a circle in radians. The value of τ is approximately 6.283 and can be calculated by dividing any circle’s circumference by its radius. Typically, the symbol appears in an expression like this: A= 21τ r2. This expression is a formula ...
Jun 29, 2018 · Tau: Directed by Federico D'Alessandro. With Maika Monroe, Ed Skrein, Gary Oldman, Fiston Barek. A woman is held captive by a scientist in a futuristic smart house, and hopes to escape by reasoning with the Artificial Intelligence that controls the house.
tau, elementary subatomic particle similar to the electron but 3,477 times heavier. Like the electron and the muon, the tau is an electrically charged member of the lepton family of subatomic particles; the tau is negatively charged, while its antiparticle is positively charged. Being so massive, the tau is unstable, with a mean life of 2.9 × ...
Tau ( τ) ( / ˈtɔː, ˈtaʊ /) is a mathematical constant that is the ratio of a circle 's circumference to its radius. This produces a number, and that number is always the same. However, the number is rather strange. The number starts as 6.283185307179586 and continues without end. Numbers like this are called irrational numbers.
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