Try Our Apps


The Best Internet Slang

arc sine

noun, Trigonometry.
the angle, measured in radians, that has a sine equal to a given number. Symbol: sin −1.
Abbreviation: arc sin, arcsin;
Also called inverse sine.
Origin of arc sine
First recorded in 1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
British Dictionary definitions for arcsin


arcsine: the function the value of which for a given argument between –1 and 1 is the angle in radians (between –π/2 and π/2), the sine of which is that argument: the inverse of the sine function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
arcsin in Science
arc sine  
The inverse of the sine function.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for arc sine

Few English speakers likely know this word

Word Value for arcsin

Scrabble Words With Friends

Nearby words for arcsin