ArcSin() Function

Returns the arc sine of a number. It is the reciprocal function to the Sin() function. Use the ArcSin() function to calculate the angle from -90 to 90 degrees whose sine is equal to that number.

Syntax

result = ArcSin (number)

Parameters

number

A literal number, analog tagname, or numeric expression in the range of -1 to 1.

Example(s)

ArcSin(1) returns 90.

ArcSin(0) returns 0.

ArcSin(0.5) returns 30.