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man pages->FreeBSD man pages -> coshf (3)
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## COSH(3)

```
```

### NAME[Toc][Back]

```     cosh, coshf -- hyperbolic cosine functions
```

### LIBRARY[Toc][Back]

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

### SYNOPSIS[Toc][Back]

```     #include <math.h>

double
cosh(double x);

float
coshf(float x);
```

### DESCRIPTION[Toc][Back]

```     The cosh() and the coshf() functions compute the hyperbolic cosine of x.
```

### RETURN VALUES[Toc][Back]

```     The cosh() and the coshf() functions return the hyperbolic cosine unless
the magnitude of x is too large; in this event, the global variable errno
is set to ERANGE.
```

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

### STANDARDS[Toc][Back]

```     The cosh() function conforms to ISO/IEC 9899:1990 (``ISO C89'').

FreeBSD 5.2.1			  May 2, 1991			 FreeBSD 5.2.1```
[ Back ]
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