arc sine

noun Trigonometry.

the angle, measured in radians, that has a sine equal to a given number. Abbreviation: arc sin, arcsin; Symbol: sin−1

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decorum
the act of or need for making up one's mind.
dignified propriety of behavior, speech, dress, etc.
a company of singers, especially an organized group employed in church service.
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Also called inverse sine.

Origin of arc sine

First recorded in 1905–10

Words nearby arc sine

arc light, arc of lowitz, arc sec, arc secant, arc second, arc sine, arc spectrum, arc tan, arc tangent, arc welding, arc, d'
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for arc sine

arc sine

The inverse of the sine function.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.