› a
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
.Branches and types of mathematics

(Definition of trigonometry noun from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)

Focus on the pronunciation of trigonometry
You are looking at an entry to do with Branches & types of mathematics, but you might be interested in these topics from the **Mathematics & arithmetic** topic area:

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- Averages
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- Geometrical shapes
- Geometry: bends, loops & curves
- Geometry: describing angles, lines & orientations
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- Geometry: properties of circles & curves
- Mathematical symbols
- Numbering & counting
- Numbers generally
- Numbers: cardinal, including nought & zero
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- Numerical relationships
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- Terms for numbers

“trigonometry”: synonyms and related words:

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