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# tangent fn (TangentFn)

(TangentFn degree) is the tangent of the PlaneAngleMeasure degree. The tangent of degree is the ratio of the side opposite degree to the side next to degree in a right-angled triangle.

## Ontology

SUMO / NUMERIC-FUNCTIONS

## Class(es)

 varga

inheritable relation

tangent fn

## Coordinate term(s)

absolute value fn  abstraction fn  arc cosine fn  arc sine fn  arc tangent fn  back fn  begin fn  begin node fn  cardinality fn  ceiling fn  complement fn  cosine fn  cut set fn  denominator fn  end fn  end node fn  extension fn  floor fn  front fn  future fn  generalized intersection fn  generalized union fn  giga fn  imaginary part fn  immediate future fn  immediate past fn  initial node fn  integer square root fn  kilo fn  list length fn  magnitude fn  mega fn  micro fn  milli fn  minimal cut set fn  nano fn  numerator fn  organization fn  past fn  path weight fn  pico fn  power set fn  predecessor fn  principal host fn  probability fn  property fn  rational number fn  real number fn  reciprocal fn  round fn  signum fn  sine fn  skin fn  square root fn  successor fn  tera fn  terminal node fn  wealth fn  when fn  year fn

## Type restrictions

vaastavika anka TangentFn(samatala koNa maapa)

## Related WordNet synsets

tangent
ratio of the opposite to the adjacent side

See more related synsets on a separate page.

## Axioms (2)

arc tangent fn is an inverse of tangent fn.
`(inverse ArcTangentFn TangentFn)`

Agar degree is an instance of samatala koNa maapa, to "the tangent of degree" is equal to ""the sine of degree"/"the cosine of degree"".
```(=>
(instance ?DEGREE PlaneAngleMeasure)
(equal
(TangentFn ?DEGREE)
(DivisionFn
(SineFn ?DEGREE)
(CosineFn ?DEGREE))))```