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FILEMAKER PRO HELP 946
Format
Asin (number)
Parameters
number - any numeric expression or field containing a numeric expression in the range -1 to 1
Data type returned
number
Originated in
FileMaker Pro 9.0
Description
The arcsine is the angle whose sine is number. The returned angle is given in radians in the range -
Pi/2 to Pi/2. The input number parameter must be between -1 and 1.
To express the arcsine in degrees, multiply the result by 180/Pi or use the Degrees function.
Examples
Asin(-0.5) returns -0.523598776.
Asin(-0.5)*180/Pi returns -30.
Degrees(Asin(-0.5)) returns -30.
Asin(2)returns ? (not a number).
Related topics
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas
Atan
Purpose
Returns the trigonometric arc tangent (Atan), or inverse tangent, of number.
Format
Atan(number)
Parameters
number - any numeric expression or field containing a numeric expression