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There are 2,572 functions in this library.

Asin ( number )

Returns the arc sine of a given number.

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Brian Dunning - Show more from this author BrianDunning.com https://www.briandunning.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Case ( ( number < 1 ) and ( number > -1 ) ; Atan ( number / Sqrt ( 1 - number ^ 2 ) ) ; number = 1 ; Pi / 2 ; number = -1 ; -Pi / 2 ; "?" ) Click to copy

Returns the arc sine, or inverse sine, of a given number. This operates in radians, just like FileMaker's other trigonometric functions. For the input to be a valid sine, it should be in the range of -1 to 1.

Additional thanks to Corn Walker and Jason DeLooze.

 

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