Returns the arcsine, in radians, of a number between -1 and 1, inclusive.

Syntax

ASin ( numExpr )

Elements

numExpr

A numeric expression with a value between -1 and 1, inclusive.

ASin returns the angle, in radians, whose sine is equal to the value of numExpr.

The range of the return value is -pi/2 to pi/2, inclusive.

The data type of the return value is Double.

If the value of numExpr is not in the range -1 to 1, inclusive, the function raises an error.

Language cross-reference

@ASin function in formula language

Example
See Also

LotusScript Language Reference: A through D
Constants
ACos function
ATn function
ATn2 function
Cos function
Sin function
Tan function

Glossary