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asin |
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Library: Math, trigonometry (OMTRIG)
Import: omtrig.xmd |
Return type: OMX Returns: The arc sine of the floating point value. |
export external float function
asin value float x
Use asin to calculate, in radians, the arc sine (inverse sine) of a floating point number. This trigonometric function works the same way as its equivalent in the C math library.
Out-of-range values, (|x| > 1), return "not a number" (NaN).
The following sample shows how to use asin to calculate the value of the arc sine of 0.999. The result is 1.526071239626164.
import "omtrig.xmd" unprefixed
import "omfloat.xmd" unprefixed
process
local float x initial {0.999}
output "The arc sine of x is "
|| "d" % (asin x)
|| " %n"
; Output: "The arc sine of x is 1.526071239626164"
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Other Library Functions acos asin atan atan2 cos cosh hypot sin sinh tan tanh |
