sinusoidal spiral
1Sinusoidal spiral — In geometry, the sinusoidal spirals are a family of curves defined by the equation in polar coordinates:r^n = a^n cos(n heta),where a is a nonzero constant and n is a rational number other than 0. With a rotation about the origin, this can also… …
2List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… …
3List of curves — This is a list of curves, by Wikipedia page. See also list of curve topics, list of surfaces, Riemann surface. Algebraic curves*Cubic plane curve *Quartic plane curve *Quintic plane curve *Sextic plane curveRational curves*Ampersand curve… …
4Limaçon — In geometry, limaçons (pronounced with a soft c ), also known as limaçons of Pascal, are heart shaped mathematical curves. A limaçon is defined as a roulette formed when a circle rolls around the outside of a circle of equal radius (see the… …
5Cardioid — is closed curve with one cusp.DefinitionIn geometry, the cardioid is an epicycloid with one cusp. Construction* epicycloid produced as the path (or locus) of a point on the circumference of a circle as that circle rolls around another fixed… …
6FORME — L’histoire du concept de forme et des théories de la forme est des plus singulières. Nous vivons dans un monde constitué de formes naturelles. Celles ci sont omniprésentes dans notre environnement et dans les représentations que nous nous en… …
7Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 …
8cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
9digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
10Facteur de puissance — Le facteur de puissance est une caractéristique d un récepteur électrique. Pour un dipôle électrique alimenté en régime de courant variable au cours du temps (sinusoïdal ou non), il est égal à la puissance active consommée par ce dipôle divisée… …
