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c:math.h:asin

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c:math.h:asin [2013/01/22 22:02] (current)
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 +{{keywords>wiki library source code example reference}}
 +====== asin ======
 +
 +<code c>
 +    double asin(double);
 +</code>
 +
 +calculates arcsine from a number
 +
 +===== C Sourcecode Example =====
 +
 +compile in linux with: gcc asin.c -o asin **-lm** -Wall
 +
 +<code c>
 +#include <stdio.h> /* including standard library */
 +//#include <windows.h> /* uncomment this for Windows */
 +
 +#include <math.h> /* including math library */
 +
 +int main ( void ){
 +    double a=0.2;
 +    printf("asin from %f is %f\n", a, asin(a) * 90 / 3.17);
 +    return 0;
 +}
 +</code>    
 +===== output =====
 +  
 +    output:
 +    user@host:~$ ./asin 
 +    asin from 0.200000 is 5.716786
  
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c/math.h/asin.txt · Last modified: 2013/01/22 22:02 (external edit)

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