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ATTENTION: The corner points of a triangle are of course indicated with capital letters! I did that wrong here, it must have been late... ???????? https://www.herrmauch.de Using an example, I will show you how to calculate distances and angles in general triangles (i.e. non-right-angled triangles) using sine, cosine, tangent and the Pythagorean theorem. 0:00 Welcome 0:28 Example 1 0:46 Decomposition 1:49 Calculating h 2:16 Calculating a1 2:44 Calculating a2 2:57 Calculating c 3:34 Calculating β 4:16 Calculating α