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arc sine: Meaning and Definition of

arc' sine'

Pronunciation: [key]
— Trig. Trig.
  1. the angle, measured in radians, that has a sine equal to a given number. Abbr.: arc sin; Symbol: sin
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
arc sin arc spectrum
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