Meaning of arc cotangent

arc' cotan'gent

Pronunciation: [key]
— Trig. Trig.
  1. the angle, measured in radians, that has a cotangent equal to a given number. Abbr.: arc cot Symbol: cot Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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