Function::Mathematical
Asin (arcsine) 
asin(numeric field)
asin(numeric value)
asin(-1)
asin(0.5)
The asin function calculates the arcsine of a numeric value. The result is an angle expressed in radians between -p/2 to p/2.
Parameters
Numerical value between -1 via 0 to +1
Returns/Result
A numeric value
Examples
Example 1
asin(1)
Result:1.570796
Example 2
asin(-0.50)
Result: -0.5235988
Reference
asin (arcsine)
Type
Trigonometric Function
Purpose
The asin function calculates the arcsine of a numeric value. The result is an angle expressed in radians between -p/2 to p/2.
Syntax
asin( NUMERIC VALUE)
Returns
A numeric value.
Usage
The numeric value in a Trigonometric function can be a constant value (as shown below), a variable, a field value or an expression.
The valid range of the input value is -1 to 1.
Example
asin(1)
Returns:1.570796
asin(-0.50)
Returns: -0.5235988
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