Trigonometry Teachers!
Are you tired of using the laws of sines and cosines to calculate accurately the unknown sides and angles of triangles? Are you frustrated at the time it takes to generate two solutions to "the ambiguous case" when there are two possible solutions for a triangle? Look no further: I've written this spreadsheet just for you! (Well, actually, I wrote it because I kept making mistakes when I tried to generate solutions on my handheld calculator, but I found it so handy,