trigonometry
nounfemininetécnico/tɾi.ɣu.nu.mɨ.ˈtɾi.ɐ/medium
tri·go·no·me·tri·a
Definition
The branch of mathematics dealing with the relations of the sides and angles of triangles.
Trigonometry is used in architecture and engineering.
We learned about sine and cosine in trigonometry class.
Common collocations
spherical trigonometrytrigonometric functionstrigonometry tableslaw of sines (trigonometry)
Etymology
Do grego 'trígōnon' (triângulo) + 'metría' (medida).