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trigonometric form

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  • Trigonometric functions — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions …   Wikipedia

  • Trigonometric interpolation — In mathematics, trigonometric interpolation is interpolation with trigonometric polynomials. Interpolation is the process of finding a function which goes through some given data points. For trigonometric interpolation, this function has to be a… …   Wikipedia

  • Trigonometric polynomial — In the mathematical subfields of numerical analysis and mathematical analysis, a trigonometric polynomial is a finite linear combination of functions sin(nx) and cos(nx) with n a natural number. The coefficients may be taken as real numbers, for… …   Wikipedia

  • Trigonometric series — In mathematics, a trigonometric series is any series of the form:: frac{1}{2}A {o}+displaystylesum {n=1}^{infty}(A {n} cos{nx} + B {n} sin{nx}). Fourier Series and Orthogonal Functions By Harry F. Davis. Page 89] It is called a Fourier series… …   Wikipedia

  • Trigonometric rational function — In mathematics, a trigonometric rational function is a rational function in the functions sin theta; and cos theta;. Equivalently, it is a ratio of trigonometric polynomials. The simplest examples (besides sin theta; and cos theta; themselves)… …   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

  • trigonometric series — noun Any series of the form …   Wiktionary

  • 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

  • Closed-form expression — Closed formula redirects here. For closed formula in the sense of a logic formula with no free variables, see Sentence (mathematical logic). In mathematics, an expression is said to be a closed form expression if it can be expressed analytically… …   Wikipedia

  • Automorphic form — In mathematics, the general notion of automorphic form is the extension to analytic functions, perhaps of several complex variables, of the theory of modular forms. It is in terms of a Lie group G, to generalise the groups SL2(R) or PSL2 (R) of… …   Wikipedia

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