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sine

/sɪn/ noun · British & US
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What does sine mean?

noun

In trigonometry, the ratio of the length of the side opposite a given angle in a right-angled triangle to the length of the hypotenuse. A trigonometric function.

Example

"The sine of the angle was calculated to be approximately 0.5."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for sine

Rhymes with sine