Trigonometry & Precalculus
Law of Sines and Cosines
Types of Problems:solving oblique triangles using law of cosines (SSS and SAS)
solving oblique triangles using law of sines (NOT SSA) solving oblique triangles using law of sines SSA (0, 1, 2 solutions) Determination of impossible triangles through law of sines and cosines |
Homework |
Solutions |
Video and other resources |
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more practice with law of sines and cosines
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practice with JUST SSA
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Applications of laws of sines and cosine
Classify number of triangles in SSA |