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  1. cotangent

    • IPA[kōˈtanjənt]

    美式

    • n.
      (in a right-angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle.
    • noun: cotangent, plural noun: cotangents

    • 更多解釋
    • IPA[kəʊˈtandʒ(ə)nt]

    英式

    • n.
      (in a right-angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a ...

    Oxford Dictionary