C asin() Function

Last Updated:

C asin()

The asin() function returns the arc-sine of the given number.

This function is defined in <math.h> header file.


C Compiler
#include <stdio.h> #include <math.h> int main() { printf("%lf", asin(0.5)); return 0; }


asin(data_type x)

Parameter Values

x Required Specifies a number.

Return Value

Number The arc-sine of the given number.
The return value will be between -π / 2 to π / 2, if the given value is between -1 and 1.
The return value is represented in radians.
NaN If the given value is not between -1 and 1 or empty.

Share this Page

Meet the Author