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ASIN

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(ASIN(arg))

 

Computes the arcsine of arg where arg is in the range -1 to 1. The result is an angle in radians between -pi/2 and pi/2.

 

In the following example, the value of vasin is -0.5236 (-pi/6 radians)

 

SET VAR vasin = (ASIN(-0.5))