April 19, 1991 SINH 3

### NAME

sinh, sinhf - hyperbolic sine function

### LIBRARY

Math Library (libm, -lm)

### SYNOPSIS

```double` sinh(```double x`)
```float` sinhf(```float x`)

### DESCRIPTION

The sinh(``) function computes the hyperbolic sine of ```x`.

### RETURN VALUES

The sinh(``) function returns the hyperbolic sine value unless the magnitude of ```x` is too large; in this event, the global variable errno is set to ```ERANGE`.

### SEE ALSO

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

### STANDARDS

The sinh(``) function conforms to ANSI X3.159-1989 (``ANSI C89'') .