# unit circle

> circle with radius one

**Wikidata**: [Q203425](https://www.wikidata.org/wiki/Q203425)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Unit_circle)  
**Source**: https://4ort.xyz/entity/unit-circle


## References

1. Freebase Data Dumps. 2013
2. [Source](http://mathworld.wolfram.com/UnitCircle.html)
3. Quora
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)