CASTI-89 TITANIUM · CALC89
sech⁻¹(
Returns the inverse hyperbolic secant of a value.
Syntax
sech⁻¹(expr)
- Group
- Trigonometry
- Arguments
- Takes one value or expression.
- Availability
- Included
Example
| Input | Result |
|---|---|
| sech⁻¹(1) | cosh⁻¹(1) |
Typing sech⁻¹(1) on the home screen and pressing ENTER returns cosh⁻¹(1).
Related commands
- sec⁻¹(Returns the angle whose secant is the given value, in the current angle mode.
- sin(Returns the sine of an angle, interpreted in the current angle mode.
- sinh(Returns the hyperbolic sine of a value.
- sinh⁻¹(Returns the inverse hyperbolic sine of a value.
- sin⁻¹(Returns the angle whose sine is the given value, in the current angle mode.
- tan(Returns the tangent of an angle, interpreted in the current angle mode.
- tanh(Returns the hyperbolic tangent of a value.
- tanh⁻¹(Returns the inverse hyperbolic tangent of a value.