Explain xkcd: It's 'cause you're dumb.
I wonder, is there a reason why Randall chose cos(x) over sin(x)? Is there a y-axis somewhere on the map? Not that it matters; just curious... Bobidou23 (talk) 23:24, 22 September 2012 (UTC)
- cos(x), sin(x), they're the same thing, plus or minus pi/4...