Updated: 2021/Apr/14


SIN(3)                     Library Functions Manual                     SIN(3)

NAME
     sin, sinf - sine function

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <math.h>

     double
     sin(double x);

     float
     sinf(float x);

DESCRIPTION
     The sin() function computes the sine of x (measured in radians).  A large
     magnitude argument may yield a result with little or no significance.

RETURN VALUES
     The sin() function returns the sine value.

SEE ALSO
     acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), math(3), sinh(3),
     tan(3), tanh(3)

STANDARDS
     The sin() function conforms to ANSI X3.159-1989 ("ANSI C89").

HISTORY
     A sin() function appeared in Version 1 AT&T UNIX.

NetBSD 9.99                    September 2, 2019                   NetBSD 9.99