The ACOS function is a mathematical function that returns the inverse Cosine (radians) of a number. The ACOS function returns a real value.
| Function Name |
ACOS |
| Description |
Returns the inverse Cosine (radians) of a number. |
| Arguments |
ACOS(INTEGER or REAL) The ACOS function can have one input and this can be either an integer or a real floating value—see Number (Integer or Real). |
| Returns |
REAL The inverse Cosine (radians) value of the input. |
Example:
ACOS( -1 )
The output is PI (3.1415926...)
See also: