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SIN(3) Library Functions Manual SIN(3)

sin, sinf, sinl
sine functions

#include <math.h>
sin(double x);
sinf(float x);
long double
sinl(long double x);

The sin() function computes the sine of x (measured in radians). The sinf() function is a single precision version of sin(). The sinl() function is an extended precision version of sin(). A large magnitude argument may yield a result with little or no significance.

The sin(), sinf() and sinl() functions return the sine value.

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

The sin() function conforms to ANSI X3.159-1989 (“ANSI C89”).

A sin() function first appeared in Version 1 AT&T UNIX.
September 27, 2017 OpenBSD-current