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arc tan

 - 4 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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Science Dictionary
arc tangent  
The inverse of the tangent function.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Abbreviations & Acronyms
arc tan
arc tangent
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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