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| 19.4.1.asin |
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| Item | Value | | Header file | math.h | | Declaration | float asinf(float arg);
double asin(double arg);
long double asinl(long double arg); | | Return | returns the arc sine. | | Parameter | The argument must be in the range -1 to 1; otherwise a domain error will occur. |
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#include <math.h>
#include <stdio.h>
int main(void)
{
double val = -1.0;
do {
printf("Arc sine of %f is %f.\n", val, asin(val));
val += 0.1;
} while(val<=1.0);
return 0;
}
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Arc sine of -1.000000 is -1.570796.
Arc sine of -0.900000 is -1.119770.
Arc sine of -0.800000 is -0.927295.
Arc sine of -0.700000 is -0.775397.
Arc sine of -0.600000 is -0.643501.
Arc sine of -0.500000 is -0.523599.
Arc sine of -0.400000 is -0.411517.
Arc sine of -0.300000 is -0.304693.
Arc sine of -0.200000 is -0.201358.
Arc sine of -0.100000 is -0.100167.
Arc sine of 0.000000 is 0.000000.
Arc sine of 0.100000 is 0.100167.
Arc sine of 0.200000 is 0.201358.
Arc sine of 0.300000 is 0.304693.
Arc sine of 0.400000 is 0.411517.
Arc sine of 0.500000 is 0.523599.
Arc sine of 0.600000 is 0.643501.
Arc sine of 0.700000 is 0.775397.
Arc sine of 0.800000 is 0.927295.
Arc sine of 0.900000 is 1.119770.
Arc sine of 1.000000 is 1.570796. |
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