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asin-Arc Sine of Angle

Interface 

F_TYPE asin (F_TYPE x)

F_TYPE asind (F_TYPE x)

Description

asin() computes the principal value of the arc sine of x in the interval [-pi/2,pi/2] radians for x in the interval [-1,1].

asind() computes the principal value of the arc sine of x in the interval [-90,90] degrees for x in the interval [-1,1].

Exceptions

Exceptional Argument       Routine Behavior

|x|>1                      Invalid argument