arc secant
noun Trigonometry.
the angle, measured in radians, that has a secant equal to a given number. Abbreviation: arc sec; Symbol: sec−1
Origin of arc secant
First recorded in 1905–10
Also called inverse secant.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
arc secant
The American Heritage® Science Dictionary
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