Returns a value in the range -/2 to /2, which is the arc sine of its
radian argument.
Format
#include <math.h>
double asin (double x);
Argument
- x
- A radian expressed as a real number.
Description
When abs(x) is greater than 1.0, the value of
asin(x) is 0 and errno is set to EDOM.
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