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inverse tangent

 - 2 dictionary results

arc tangent

–noun Trigonometry.
the angle, measured in radians, that has a tangent equal to a given number. Abbreviation: arc tan; Symbol: tan−1
Also called inverse tangent.


Origin:
1905–10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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