A most interesting pattern emerges...

I started playing around with tangents, sines, and cosines a bit in my equations and came up with some very strange patterns. They are unlike most of the patterns that I have seen from my own work and that of mophostopheles in that they are not rose-like or spirally. These are also repeating and very architectural, like blueprints. I used this formula (in PHP): (round(sqrt (cos($x^$y)) * (tan($y^$x)) )/$i%2==0);

Behold: