Definition from
macmillandictionary.com
cotangent
 definition
and synonyms
noun
[
countable
]
maths
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/
ˌkəʊˈtændʒənt
/
singular
cotangent
plural
cotangents
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in a
right

angled
triangle
, the
measurement
of an
acute
angle
that is
equal
to the
length
of the side between the
angle
and the
right
angle
divided
by the
length
of the side
opposite
the
angle
Synonyms and related words
Describing and measuring angles:
cos
,
cosine
,
cotangent
...
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