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man pages->NetBSD man pages -> sin (3)
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## SIN(3)

```
```

### NAME[Toc][Back]

```     sin, sinf - sine function
```

### LIBRARY[Toc][Back]

```     Math Library (libm, -lm)
```

### SYNOPSIS[Toc][Back]

```     #include <math.h>

double
sin(double x);

float
sinf(float x);
```

### DESCRIPTION[Toc][Back]

```     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[Toc][Back]

```     The sin() function returns the sine value.
```

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

### STANDARDS[Toc][Back]

```     The sin() function conforms to ANSI X3.159-1989 (``ANSI C'').

BSD                             April 19, 1991                             BSD
```
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