ACS( n )

Description:

This function returns the arc cosine of the number or numeric expression n. The return value is expressed in radians.

Usage:

  print "The arc cosine of 0.2 is "; acs(0.2)

Tip:

There are 2 * pi radians in a full circle of 360 degrees. A formula to convert degrees to radians is: radians = degrees divided by 57.29577951

Note: See also COS( )