arctan

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arctan [ˈɑːkˌtæn] Maths

abbreviation for

(Mathematics) arctangent: the function the value of which for a given argument is the angle in radians (between -π/2 and π/2) the tangent of which is that argument: the inverse of the tangent function

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Noun

arctan - the inverse function of the tangent; the angle that has a tangent equal to a given number

arc tangent, arctangent, inverse tangent

circular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

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amplitude ARC arc tangent arctangent circular function inverse tangent trigonometric function			The constant c is given by c = 1/[pi] arctan [square root of (2)] l [[eta]. Miles formulae for Boolean models observed on lattices by Ohser, Joachim; Nagel, Werner; Schladitz, Katja / Image Analysis and Stereology James Gregory investigates the series arctan x = x - [x. [pi]: the chronicle by Scott, Paul / Australian Mathematics Teacher The relationships between these parameters and geometrical variables are as follows: [FIGURE 1 OMITTED] [alpha] = arctan ([Y. Investigation of LDPE blown film instability induced by air cooling by Zhang, Z.; Lafleur, P.G. / Polymer Engineering and Science			Archprelate Archpresbyter Archpresbytery archpriest Archprimate archrival Archtraitor Archtreasurer archway Archwife Archwise Archy Arcidae arciform Arcimboldo ARCM arcminute arco arcograph ARCS arcsec arcsecant arcsecond arcsin arcsine arctan arctangent Arctation Arctic Arctic Archipelago arctic char Arctic Circle arctic fox Arctic ground squirrel arctic hare arctic moss Arctic mouse-ear Arctic Ocean Arctic penguin arctic poppy Arctic Red River arctic skua Arctic Stream arctic tern arctic willow Arctic wolf Arctic Zone Arctictis Arctictis bintourong arctiid arctiid moth			arcs of mandibular closure arcs of mandibular closure arcs-boutants arcs-boutants ARCSA ARCSACC ARCSBI Arcsch Arcsec Arcsec Arcsecant Arcsecant Arcsech arcsecond Arcseconds ARCSHS ARCSI Arcsin Arcsin Arcsin Arcsine Arcsine Arcsine Arcsinh Arcsinh ARCSIP ARCSS ARCST ARCSU ARCT arctan Arctangent Arctangent Arctangent Arctanh ARCTAS arctation arctation arctation Arctg Arcth Arcth arctic arctic arctic Arctic Acoustic Transmission Experiment Arctic Aeromedical Lab arctic air Arctic Air Masses Arctic Anaemia Arctic and Alpine Stream Ecosystem Research Arctic and Antarctic Research Institute Arctic and Antarctic Scientific Research Institute Arctic and Marine Oilspill Program Arctic and North Working Group arctic anemia Arctic Animals Arctic Animals arctic anticyclone Arctic Archipelago Arctic Archipelago

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arctan