trigonometrynoun [ U ]
uk/ˌtrɪɡ.əˈnɒm.ə.tri/us/ˌtrɪɡ.əˈnɑː.mə.tri/informal triga type of mathematics that deals with the relationship between the angles and sides of triangles, used in measuring the height of buildings, mountains, etc.:
Trigonometry concerns the functions of angles, such as sine, cosine, and tangent.
Thesaurus: synonyms and related words
Branches & types of mathematics
- algebra
- arithmetic
- calculus
- Cartesian
- differential calculus
- Euclidean
- geometric
- geometry
- mathematical
- mathematician
- mathematics
- maths
- mental arithmetic
- non-Euclidean
- number theory
- trig
trigonometric
adjective /ˌtrɪɡ.ə.nəˈmet.rik//ˌtrɪɡ.ə.nəˈmet.rik/
trigonometric functions