asin()

Returns the angle, in radians, whose sine is the specified radian expression. This is also called arcsine.

Syntax

asin(RADIAN_EXPR)
Required Parameters
RADIAN_EXPR
Radian expression. This function returns null when it receives an argument value that is not a number.

Usage

json "{}" | eval asin=asin(0.4997701026431024)
=> 0.5233333333333333 (30 * 3.14 / 180)

json "{}" | eval asin=asin(0.8657598394923444)
=> 1.0466666666666666 (60 * 3.14 / 180)

json "{}" | eval asin=asin(0.9999996829318346)
=> 1.5699999999999876 (90 * 3.14 / 180)

json "{}" | eval asin=asin(0) => 0

json "{}" | eval asin=asin("0") => null