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4D v19
ASIN

ASIN 


 

ASIN ( value ) 
Parameter Type   Description
value  Real in Sine of angle. Must be between –1 and +1.

The ASIN function calculates the arcsine, the angle whose sine is specified in value. It accepts and returns numeric data.

In value, specify the sine of the angle. The sine must be a value between -1 and +1.

The angle is returned in radians between -PI/2 and PI/2. To convert the result to degrees, multiply it by 180/PI.

Example  

ASIN(0.5) //0.5235987756



See also 

ACOS
ATAN
COS
SIN

 
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4D View Pro Reference ( 4D v19)