For the trig, there were a few with arcsin/arccos/arctan in the QR section i think. Generally, if you know the basics of trig (SOHCAHTOA, how each function relates to one another, the values for the common angles, quadrants, etc..) inside and out, you'll be fine. It's not much.
For the bio taxonomy, I don't think there were any questions that were just flat out "Which phylum does X belong to," but there were a couple on knowing the order that the categories go in. For instance, they may say something like "if 2 different organisms belong to the same order, they must belong to the same:" and the answer would be Kingdom, Phylum, or Class, because they are higher in classification than order. There may have also been one or 2 where they gave you an organism, and asked about kingdom though. But again, your results may vary from my test experience?!