@ASin (Formula Language)
Calculates the arc (inverse) sine using the sine of an angle.
Syntax
@ASin( sine )
Parameters
sine
Number or number list. A sine of an angle, from -1 through 1.
Return value
angle
Number or number list. An angle, in radians, from -pi/2 through pi/2. This represents an angle between -90 and 90 degrees.
Usage
If the parameter is a list, the function operates on each element of the list, and the return value is a list with the same number of elements.
Examples
- This example returns pi/2.
@ASin( 1 ) - This example returns 0.72082 radians (41.3 degrees).
@ASin ( 0.66 ) - This example returns pi/2 and 0.72082 radians in a list.
@ASin ( 1 : 0.66 )