sinh()
Returns the hyperbolic sine of a double value.
Syntax
Numeric sinh()
Usage
The hyperbolic sine of x is defined to be (ex - e-x)/2 where e is Euler's number.
Special cases:
- If the value is NaN, then the result is NaN.
- If the value is infinite, then the result is an infinity with the same sign as the value.
- If the value is zero, then the result is a zero with the same sign as the value.
The computed result must be within 2.5 ulps of the exact result.