Function radiansToHms( rad, secFig )

Description:
Converts an angle in radians to a formatted hours:minutes:seconds string with a given number of decimal places in the seconds field.
Parameters:
rad (floating point)
angle in radians
secFig (integer)
number of decimal places in the seconds field
Return Value (String):
HMS-format string representing rad
Signature:
String radiansToHms(double, int)