CASTI-89 TITANIUM · CALC89
cosh⁻¹(
Returns the inverse hyperbolic cosine of a value.
Syntax
cosh⁻¹(expr)
- Group
- Trigonometry
- Arguments
- Takes one value or expression.
- Availability
- Included
- Menu path
- MATH ▸ Hyperbolic ▸ cosh⁻¹(
Example
| Input | Result |
|---|---|
| cosh⁻¹(2.) | 1.31695789692 |
Typing cosh⁻¹(2.) on the home screen and pressing ENTER returns 1.31695789692.
Keystrokes on the TI-89 Titanium
2NDMATH▼×12ENTER5
The same key sequence inserts cosh⁻¹( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- cos⁻¹(Returns the angle whose cosine is the given value, in the current angle mode.
- cot(Returns the cotangent of an angle, interpreted in the current angle mode.
- coth(Returns the hyperbolic cotangent of a value.
- coth⁻¹(Returns the inverse hyperbolic cotangent of a value.
- cot⁻¹(Returns the angle whose cotangent is the given value, in the current angle mode.
- csc(Returns the cosecant of an angle, interpreted in the current angle mode.
- csch(Returns the hyperbolic cosecant of a value.
- csch⁻¹(Returns the inverse hyperbolic cosecant of a value.