# cosine

> trigonometric function; ratio between the lengths of the adjacent side and the hypotenuse in a right triangle

**Wikidata**: [Q1256164](https://www.wikidata.org/wiki/Q1256164)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cosine)  
**Source**: https://4ort.xyz/entity/cosine


## References

1. Quora