arcsin  arcsine function (radians) 
Syntax  arcsin (r : real) : real

Description  The arcsin function is used to find the arc sine of a value. The result is given in radians. For example, arcsin (0.5) is p / 6.

Example  This program prints out the arcsine of 1 through 1 in radians.
for i : 4 .. 4 const arg := i / 4 put "Arc sine of ", arg, " is ", arcsin (arg), " radians" end for 
Execute  
See also  the arccos and arctan functions for calculating arccosine and arctangent. the arcsind function which finds the arc sine of a value with the result given in degrees. (2p radians are the same as 360 degrees.) See also predefined unit Math.
