##-
# Author: Brian Tiffin
# Dedicated to the public domain
#
# Date: August 2016
# Modified: 2016-10-03/23:21-0400
##+
#
# tan.icn, demonstrate the the Tangent function
#
procedure main()
    write("tan(r): Domain: -2 * &pi <= r <= &pi * 2, Range: all real, imaginary at &pi/2 * i") 
    every r := 0.0 to &pi * 2 by &pi/4 do {
        write(left("tan(" || r || ")", 24), " radians = ", tan(r))
    }
end