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Beginning
1
Pronunciation
2
Noun
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cosine
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From Wiktionary
Pronunciation
[
change
]
(
UK
)
IPA
(
key
)
:
/ˈkəʊ.saɪn/
(
US
)
IPA
(
key
)
:
/ˈkoʊ.saɪn/
(
AU
)
IPA
(
key
)
:
/ˈkəʉ.sɑɪn/
Audio (US)
(
file
)
Homophone
:
cosign
Noun
[
change
]
Singular
cosine
Plural
cosines
(
countable
) (
mathematics
) The
cosine
is the
ratio
of the
length
of the
side
adjacent
to an
acute
angle
to the length of the
hypotenuse
.
Categories
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Terms with homophones
Nouns
Countable nouns
Mathematics
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