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What formulas, if any, are given on the test? I think, but not too sure, they give us the special case right triangles? As for the rest, we have to memorize and know the half angle formulas right?
Barrons only provides some surface and volume formulas before each of its practice tests. I imagine that they copied that info from the actual tests.
P.S. You have to be pretty naive to think that they would provide you with some trig or triangle formulas. (Look closer maybe the answer key will be attached as well . . . )