# Pythagorean

Pythagorean means of or pertaining to the ancient Ionian mathematician, philosopher, and music theorist Pythagoras. See:

## Philosophy

• Pythagoreanism an Egyptian-influenced Neo-Platonic philosophy named after the Greek philosopher and mathematician, Pythagoras.

## Sports statistics

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Pythagoras of Samos (Greek: Πυθαγόρας; between 580 and 572 BC–between 500 and 490 BC) was an Ionian (Greek) philosopher[1]
Pythagoreanism is a term used for the esoteric and metaphysical beliefs held by Pythagoras and his followers, the Pythagoreans, who were much influenced by mathematics and probably a main inspirational source for Plato and platonism.
In mathematics, the Pythagorean theorem (AmE) or Pythagoras' theorem (BrE) is a relation in Euclidean geometry among the three sides of a right triangle. The theorem is named after the Greek mathematician Pythagoras, who by tradition is credited with its discovery and
Pythagorean triple consists of three positive integers a, b, and c, such that a2 + b2 = c2.
A Pythagorean prime is prime number of the form 4n + 1. These are exactly the primes that can be the hypotenuse of a Pythagorean triangle.

The first few Pythagorean primes are
5, 13, 17, 29, 37, 41, 53, 61, 73, 89, 97, 101, 109, 113

The Pythagorean trigonometric identity is a trigonometric identity expressing the Pythagorean theorem in terms of trigonometric functions. Along with the sum-of-angles formulae (see trigonometric identity#Angle sum and difference identities) it is the basic relation among the