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# sine fn (SineFn)

(SineFn degree) is the sine of the PlaneAngleMeasure degree. The sine of degree is the ratio of the side opposite degree to the hypotenuse in a right-angled triangle.

## Ontology

SUMO / NUMERIC-FUNCTIONS

## Class(es)

 class

inheritable relation

unary function

sine 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  skin fn  square root fn  successor fn  tangent fn  tera fn  terminal node fn  wealth fn  when fn  year fn

## Type restrictions

real number SineFn(plane angle measure)

## Related WordNet synsets

sine
ratio of the opposite side to the hypotenuse

sine curve, sinusoid
the curve of y=sin x

See more related synsets on a separate page.

## Axioms (2)

arc sine fn is an inverse of sine fn.
`(inverse ArcSineFn SineFn)`

If degree is an instance of plane angle measure, then "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))))```