Core PHP
Hyperbolic Functions
| Hyperbolic Functions | |
|---|---|
| acosh() | |
| double acosh(double $dNumber) | |
| This function returns the inverse hyperbolic cosine of $dNumber. The domain of the function is [1, ∞) and the range is [0, ∞). | |
| Argument | Description |
| double $dNumber | This is the independent variable value. |
| asinh() | |
| double asinh(double $dNumber) | |
| This function returns the inverse hyperbolic sine of $dNumber. The domain of the function is (-∞, ∞) and the range is (-∞, ∞). | |
| Argument | Description |
| double $dNumber | This is the independent variable value. |
| atanh() | |
| double atanh(double $dNumber) | |
| This function returns the inverse hyperbolic tangent of $dNumber. The domain of the function is (-1, 1) and the range is (-∞, ∞). | |
| Argument | Description |
| double $dNumber | This is the independent variable value. |
| cosh() | |
| double cosh(double $dNumber) | |
| This function returns the hyperbolic cosine of $dNumber, but it is returned as a double. The domain of the function is (-∞, ∞) and the range is [1, ∞). | |
| Argument | Description |
| double $dNumber | This is the independent variable value. |
| sinh() | |
| double sinh(double $dNumber) | |
| This function returns the hyperbolic sine of $dNumber. The domain of the function is (-∞, ∞) and the range is (-∞, ∞). | |
| Argument | Description |
| double $dNumber | This is the independent variable value. |
| tanh() | |
| double tanh(double $dNumber) | |
| This function returns the hyperbolic tangent of $dNumber. The domain of the function is (-∞, ∞) and the range is (-1, 1). | |
| Argument | Description |
| double $dNumber | This is the independent variable value. |
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