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sine
Language
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Pronunciation
change
enPR
:
sīn
,
IPA
(
key
)
:
/saɪn/
Homophone
:
sign
Noun
change
Singular
sine
Plural
sines
(
countable
) (
mathematics
) The
sine
is the
ratio
of the side opposite an
angle
to the length of the
hypotenuse
.
