- trigonometric equations
- Макаров: тригонометрические уравнения
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Trigonometric functions — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions … Wikipedia
trigonometric function — Math. 1. Also called circular function. a function of an angle, as sine or cosine, expressed as the ratio of the sides of a right triangle. 2. any function involving only trigonometric functions and constants. 3. the generalization of these to… … Universalium
List of trigonometric identities — Cosines and sines around the unit circle … Wikipedia
Pythagorean trigonometric identity — 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 Angle sum and difference identities) it is the basic relation… … Wikipedia
Proofs of trigonometric identities — are used to show relations between trigonometric functions. This article will list trigonometric identities and prove them.Elementary trigonometric identitiesDefinitionsReferring to the diagram at the right, the six trigonometric functions of… … Wikipedia
Fresnel equations — The Fresnel equations, deduced by Augustin Jean Fresnel (pronEng|freɪˈnɛl), describe the behaviour of light when moving between media of differing refractive indices. The reflection of light that the equations predict is known as Fresnel… … Wikipedia
Chebyshev polynomials — Not to be confused with discrete Chebyshev polynomials. In mathematics the Chebyshev polynomials, named after Pafnuty Chebyshev,[1] are a sequence of orthogonal polynomials which are related to de Moivre s formula and which can be defined… … Wikipedia
Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC … Wikipedia
Cofunction — This article is about a mathematical term. For an entity in computer science, see Coroutine. In mathematics, a function f is cofunction of a function g if f(A) = g(B) whenever A and B are complementary angles. This definition typically applies to … Wikipedia
History of Mongolia — This article is part of a series Ancient History … Wikipedia
trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the… … Universalium