arc sine

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arc sine

The inverse of the sine function.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun 1. arc sine - the inverse function of the sine; the angle that has a sine equal to a given number

arcsin, arcsine, inverse sine

circular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

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Data were transformed, where necessary, using square root (egg numbers and survival data), [log.sub.10] (steroid levels), or arc sine of square root for proportion data (egg viability).

Long-term exposure to environmental concentrations of the pharmaceutical ethynylestradiol causes reproductive failure in fish