Definition cotangent in British English

cotangent noun

[countable] noun

/ˌkəʊˈtændʒənt/

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

at right angles to/at a right angle to cos cosine

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