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Word of the Day Tuesday, June 9, 2026

cosecant

/kəʊˈsɛskənt/ noun · British & US
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What does cosecant mean?

noun

The cosecant of an angle in a right-angled triangle is the ratio of the length of the side opposite the angle to the length of the hypotenuse. It is the reciprocal of the cosine.

Example

"The cosecant function is used in trigonometry to calculate the ratio of the opposite side to the hypotenuse in a right-angled triangle."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cosecant

Rhymes with cosecant

Etymologically related