TRIG(3M)

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TRIG(3M)

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trig: sin, cos, tan, asin, acos, atan, atan2 - ��

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	#include <math.h>
	
	double sin (x)
	double x;
	
	double cos (x)
	double x;
	
	double tan (x)
	double x;
	
	double asin (x)
	double x;
	
	double acos (x)
	double x;
	
	double atan (x)
	double x;
	
	double atan2 (y, x)
	double x, y;

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�� sin, cos � tan ��, ��, ��, �� , �� .

�� asin �� arcsin (x) � �� - �/2 �� /2.

�� acos �� arccos (x) � �� 0 �� .

�� atan �� arctg (x) � �� - �/2 �� /2.

�� atan2 �� arctg (y/x) � �� - � �� , �� , �� .

��. ��
matherr(3M).

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�� sin, cos � tan �� , �� , �� . �� , �� , �� ; �� . � �� , �� , �� . � �� errno �� ERANGE.

�� asin �� acos �� 1, �� atan2 �� , �� , � �� errno �� EDOM. �� , � �� .