horn angle
{{Short description|Type of curvilinear angle}}
{{one source |date=May 2024}}
In mathematics, a horn angle, also called a cornicular angle, is a type of curvilinear angle defined as the angle formed between a circle and a straight line tangent to it, or, more generally, the angle formed between two curves at a point where they are tangent to each other.
See also
References
- {{cite book |title=The thirteen books of Euclid's Elements|first=T.L.|last=Thomas Little Heath|publisher=The University Press|year=1908|volume=2|pages=39–42}}
External links
- {{MathWorld|title=Horn Angle|urlname=HornAngle}}
- [http://aleph0.clarku.edu/~djoyce/java/elements/bookI/defI8.html David E. Joyce, "Definition 8" Euclid's Elements Book I]
{{reflist}}
{{elementary-geometry-stub}}