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Displaying 1021 - 1030 of 1212
A few simple models in the fields of neuroscience and high voltage engineering are presented and discussed.
The tangent of the sum formula is proved by using an inscribed quadrilateral whose longest side is the diameter of the circle, and the diagonals are perpendicular to the pair of oposite sides...
The author gives geometrical proofs of a number of identities for the Fibonacci numbers.
A 1932 Erdos conjecture on packing squares into a square is shown to be equivalent to a more general conjecture.
The author shows that every triangle can be dissected into four (acute triangles into three) isosceles triangles, and that a triangle can be dissected into two isosceles triangles if and only...