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REBOL 3 Functions: arcsine

arcsine  value  /radians

Returns the trigonometric arcsine (in degrees by default).


value [number!]


/radians - Returns result in radians

See also:

arccosine   arctangent   cosine   exp   log-10   log-2   log-e   power   sine   square-root   tangent  


The arcsine provides the inverse of the sine function.

print arcsine .5

Note that arccsine goes to infinity at 0 and each 180 degrees and will cause a numeric overflow.

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