Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. People (hierarchy name)
4. people (agents)
5. [people by occupation]
6. [people in science-related occupations]
7. scientists
8. mathematicians

Anotations

Scope note:

Mathematicians who specialize in the relations holding among the sides and angles of triangles and among closely related magnitudes, especially with methods of deducing from given parts other required parts. Refers particularly to those engaged in trigonometric surveys.