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词汇 cosecant
释义

Definition of cosecant in English:

cosecant

noun kəʊˈsɛk(ə)ntkəʊˈsiːk(ə)ntkoʊˈsikənt
Mathematics
  • The ratio of the hypotenuse (in a right-angled triangle) to the side opposite an acute angle; the reciprocal of sine.

    〔数〕余割

    Example sentencesExamples
    • The variance of D is computed from the variance of the misclosure W scaled with the separation of the planes of position dv and the cosecant of the angle of maximum inclination of the slope dd.
    • No I'm not, that's quite the negative cosecant.
    • The secant and cosecant were not used by the early astronomers or surveyors.
    • ‘Negative cosecant squared x,’ I murmured, feeling as light-headed and tingle-infested as I had when I'd received a perfect score.
    • The other angle, B has its tanglent equal to its cosecant (the reciprocal of the sine).

Origin

Early 18th century: from modern Latin cosecant-, from co- 'mutually' + Latin secant- 'cutting' (from the verb secare). Compare with secant.

Definition of cosecant in US English:

cosecant

nounkōˈsēkəntkoʊˈsikənt
Mathematics
  • The ratio of the hypotenuse (in a right-angled triangle) to the side opposite an acute angle; the reciprocal of sine.

    〔数〕余割

    Example sentencesExamples
    • ‘Negative cosecant squared x,’ I murmured, feeling as light-headed and tingle-infested as I had when I'd received a perfect score.
    • The other angle, B has its tanglent equal to its cosecant (the reciprocal of the sine).
    • The variance of D is computed from the variance of the misclosure W scaled with the separation of the planes of position dv and the cosecant of the angle of maximum inclination of the slope dd.
    • The secant and cosecant were not used by the early astronomers or surveyors.
    • No I'm not, that's quite the negative cosecant.

Origin

Early 18th century: from modern Latin cosecant-, from co- ‘mutually’ + Latin secant- ‘cutting’ (from the verb secare). Compare with secant.

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