cotangent

名词 n.
中文释义
美 /ˈkoʊˌtænd͡ʒənt/

英文释义

名词 n.
  1. In a right triangle, the reciprocal of the tangent of an angle. Symbols: cot, ctg, or ctn

词形变化

cotangents plural

词源

Etymology tree
Proto-Indo-European *ḱe?
Proto-Indo-European *ḱóm
Proto-Italic *kom
Proto-Italic *kom-
Latin con-
Latin co-der.
English co-
Proto-Indo-European *teh₂g-
Proto-Italic *tangō
Latin tangō
Latin tangēns
Latin tangentembor.
English tangent
English cotangent
From co- + tangent.
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