Meaning & use
trigonometry
Last updated
The branch of mathematics dealing with the relationships between the angles and sides of triangles.
See it in a sentence
Students learn trigonometry to calculate distances and angles in geometry problems.
Engineers rely on trigonometry to determine structural angles and forces.
A note on using this word
The term derives from the Greek 'trigonon' (triangle) and 'metron' (measure); it underlies fields from navigation to computer graphics.
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