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ASIN
This function calculates the arcsine, that is, the angle whose sine is the specified value.
Syntax
ASIN(value)
Arguments
[Required] For the argument, specify the sine of the angle you want to return, which must be a value between –1 and 1.
Remarks
The result angle is in radians between –PI/2 and PI/2. If you want to convert the result to degrees, multiply the result by 180/PI.
Examples
ASIN(B3)
ASIN(R3C2)
ASIN(0.5) gives the result 0.5235987756