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arc sine
(redirected from Arcsin)

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
arc sine [¦ärk ¦sīn]
(mathematics)
Also known as antisine; inverse sine.
For a numberx, any angle whose sine equalsx.
For a numberx, the angle between -π/2 radians and π/2 radians whose sine equalsx; it is the value atxof the inverse of the restriction of the sine function to the interval between -π/2 and π/2.


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In the regression, the proportion was transformed by arcsin square-root, as is recommended to normalize data expressed as proportions (Zar, 1984).
 
 
 
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