tangent

ratio of lengths of opposite side and the adjacent side of a right angled triangle; a trigonometric function

Wikidata entity: Q1129196

Wikimedia Commons category is Tangent function

P1571	codomain	...	Q1174982 (set of real numbers)	set of real numbers
P373	Commons category	String	Tangent function	???
P2534	defining formula	Math	$\tan x = \frac{\sin x}{\cos x}$	???
P1568	definition domain	...	Q21814353 (real numbers without odd multiples of π/2)	real numbers without odd multiples of π/2
P1343	described by source	...	Q109490582 (ISO 80000-2:2019 Quantities and units — Part 2: Mathematics)	ISO 80000-2:2019 Quantities and units — Part 2: Mathematics
P1889	different from	...	Q131251 (tangent)	tangent
P1889	different from	...	Q7242439 (Prevot Island)	Prevot Island
P2396	image of function	...	Q1174982 (set of real numbers)	set of real numbers
P7235	in defining formula	Math	$\tan x$	???
P7235	in defining formula	Math	$\cos x$	???
P7235	in defining formula	Math	$\sin x$	???
P1851	input set	...	Q1174982 (set of real numbers)	set of real numbers
P31	instance of	...	Q93344 (trigonometric function)	trigonometric function
P6104	maintained by WikiProject	...	Q8487137 (WikiProject Mathematics)	WikiProject Mathematics
P8865	mathematical inverse	...	Q2257242 (arcus tangent)	arcus tangent
P461	opposite of	...	Q1264373 (cotangent)	cotangent
P361	part of	...	Q13645766 (tangent and cotangent)	tangent and cotangent
P10969	power series expansion	Math	$\tan x = \sum_{n = 0}^{\infty} \frac{U_{2 n + 1}}{(2 n + 1)!} x^{2 n + 1} = \sum_{n = 1}^{\infty} \frac{(- 1)^{n - 1} 2^{2 n} (2^{2 n} - 1) B_{2 n}}{(2 n)!} x^{2 n - 1} = x + \frac{1}{3} x^{3} + \frac{2}{15} x^{5} + \frac{17}{315} x^{7} + \dots, for \| x \| < \frac{π}{2} .$	???
P575	time of discovery or invention	...	1092-01-01	???

External Ids

P6706	De Agostini ID	tangènte
P11497	Digital Library of Mathematical Functions ID	4.14.E4
P7554	Encyclopedia of Mathematics article ID	Tangent
P1417	Encyclopædia Britannica Online ID	topic/tangent-mathematical-function
P2671	Google Knowledge Graph ID	/g/1211qb1w
P11514	Great Russian Encyclopedia portal ID	tangens-c635f7
P6058	Larousse ID	images/Fonction_tangente/1012309
P8313	Lex ID	tangens
P12975	Lexikon der Mathematik entry ID	10222
P2812	MathWorld ID	Tangent
P12888	Metamath statement ID	df-tan
P5610	OpenMath ID	transc1#tan
P6781	ProofWiki ID	Definition:Tangent_Function
P9621	Treccani's Enciclopedia della Matematica ID	tangente-trigonometrica
P4223	Treccani's Enciclopedia Italiana ID	tangente

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