GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 5.2(Apollo) |
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asin(3) |
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asin − arc sine function
#include <math.h>
double asin(double x);
The asin() function calculates the arc sine of x; that is the value whose sine is x. If x falls outside the range −1 to 1, asin() fails and errno is set.
The asin() function returns the arc sine in radians and the value is mathematically defined to be between -PI/2 and PI/2 (inclusive).
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EDOM |
x is out of range. |
SVID 3, POSIX, BSD 4.3, ISO 9899
acos(3), atan(3), atan2(3), cos(3), sin(3), tan(3)
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asin(3) | |