Arctan

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Abbreviation of arctangent. abbreviation, alt-of

    "tan (arctan 2/2)=1/ϕ"

  2. 2
    the inverse function of the tangent; the angle that has a tangent equal to a given number wordnet

Etymology

From arc- + tan.

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