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A liquid-crystal display (LCD) is a flat-panel device that uses liquid crystals and polarizers to modulate light. LCDs are widely used in various applications, such as TVs, computers, watches, and mobile phones.
Learn about the inverse functions of sine, cosine, tangent, cotangent, secant, and cosecant, and how to use them to obtain an angle from any of the angle's trigonometric ratios. Find out the notation, domains, ranges, and properties of the inverse trigonometric functions, and their applications in engineering, navigation, physics, and geometry.
More formulas of this nature can be given, as explained by Ramanujan's theory of elliptic functions to alternative bases. Perhaps the most notable hypergeometric inversions are the following two examples, involving the Ramanujan tau function τ {\displaystyle \tau } and the Fourier coefficients j {\displaystyle \mathrm {j} } of the J-invariant ...
Isaac Newton was a mathematician, physicist, astronomer, alchemist, theologian, and author who formulated the laws of motion and universal gravitation. He published his findings in the Principia, which explained the Solar System's heliocentricity and the motion of objects on Earth and celestial bodies.
Wilmer Valderrama of "NCIS" and "That '70s Show," has written a memoir about his childhood in Venezuela, finding fame in Hollywood and supporting our troops during USO tours.
Learn how Rutherford and his colleagues discovered the nucleus of the atom by measuring how alpha particles are scattered by a thin metal foil. Find out the history, the method, and the results of the landmark experiments that changed the understanding of atomic structure.
The cross product with respect to a right-handed coordinate system. In mathematics, the cross product or vector product (occasionally directed area product, to emphasize its geometric significance) is a binary operation on two vectors in a three-dimensional oriented Euclidean vector space (named here ), and is denoted by the symbol .
A Pythagorean triple is a set of three positive integers a, b, and c that satisfy a2 + b2 = c2. Learn how to generate Pythagorean triples using Euclid's formula and see examples and properties of primitive triples.