ATAN
Section: Linux Programmer's Manual
 (3)
Updated: June 8, 1993
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À̸§
atan - ¾ÆÅ© źÁ¨Æ® ÇÔ¼ö
 
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#include <math.h>
double atan(double x);
 
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atan() ÇÔ¼ö´Â xÀÇ ¾ÆÅ© źÁ¨Æ® °ªÀ» °è»êÇÑ´Ù; 
¹Ýȯ°ªÀÇ ÅºÁ¨Æ® °ªÀÌ xÀÌ´Ù.
 
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atan() ÇÔ¼ö´Â ¾ÆÅ© źÁ¨Æ® °ªÀ» ¶óµð¾ÈÀ¸·Î ¹ÝȯÇϰí
±× °ªÀº ¼öÇÐÀûÀ¸·Î-PI/2ÀÌ»ó PI/2ÀÌÇÏÀÇ ¹üÀ§¸¦ °¡Áø´Ù.
 
ȣȯ
SVID 3, POSIX, BSD 4.3, ISO 9899
 
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acos(3), asin(3), atan2(3), cos(3), sin(3), tan(3)
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