the q is solve tan x = 2 sin x, where -pi < x <= pi. I can find the answers +- pi/3 easily, but the answer key says the answer is the above and also 0 and pi. where did those two come from?
well, not really, since it's probably a rip of the webstream on their website, but still:
http://sharebee.com/51a89f07
fuck can't wait until i get home to listen. creaming my pants as we speak.