We went over some of the harder problems from previous tests. Some dealt with the Law of Sines and the Law of Cosines.
Others could simply use SOHCAHTOA. If you have a right triangle and one angle and a side (you could get the other angle beside the right angle easily) then you can use SOHCAHTOA.
That will be simpler and less steps and will reduce to the same thing as using the Law of Sines.