atan2d man page on SunOS

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sind(3M)							      sind(3M)

NAME
       sind,  sindf,  sindl,  cosd, cosdf, cosdl, tand, tandf, tandl, sincosd,
       sincosdf, sincosdl,  asind,  asindf,  asindl,  acosd,  acosdf,  acosdl,
       atand, atandf, atandl, atan2d, atan2df, atan2dl - degree-based trigono‐
       metric functions

SYNOPSIS
       cc [ flag ... ] file ...	 -lsunmath -lm [ library ... ]

       #include <sunmath.h>

       double sind(double x);

       float sindf(float x);

       long double sindl(long double x);

       double cosd(double x);

       float cosdf(float x);

       long double cosdl(long double x);

       double tand(double x);

       float tandf(float x);

       long double tandl(long double x);

       void sincosd(double x, double *s, double *c);

       void sincosdf(float x, float *s, float *c);

       void sincosdl(long double x, long double *s, long double *c);

       double asind(double x);

       float asindf(float x);

       long double asindl(long double x);

       double acosd(double x);

       float acosdf(float x);

       long double acosdl(long double x);

       double atand(double x);

       float atandf(float x);

       long double atandl(long double x);

       double atan2d(double y, double x);

       float atan2df(float y, float x);

       long double atan2dl(long double y, long double x);

DESCRIPTION
       sind(x), cosd(x), and tand(x) compute trigonometric functions of angles
       measured	 in  degrees:  sind(x)	:=  sin(x * pi/180), and similarly for
       cosd(x) and tand(x).

       sincosd(x, s, c) simultaneously sets *s = sind(x) and *c = cosd(x).

       The corresponding inverse  functions  compute  asind(x)	:=  asin(x)  *
       180/pi, and similarly for acosd(x) and atand(x).	 Also, atan2d(y, x) :=
       atan2(y, x) * 180/pi.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Committed	      │
       │MT-Level	    │ MT-Safe	      │
       └────────────────────┴─────────────────┘
SEE ALSO
       asin(3M), acos(3M), atan(3M), atan2(3M), cos(3M), sin(3M),  sincos(3M),
       sinp(3M), sinpi(3M), tan(3M), attributes(5)

				  14 Mar 2009			      sind(3M)
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