Law of Sines and Law of Cosines
The Law of Sines and the Law of Cosines are special trig rules that can be used on non-right (acute or obtuse) triangles. This guide summarizes the rules, along with strategies and tips for each and examples of all 4 cases involved.
Click here for the free downloadable, printable guide on Law on Sines and Law of Cosines (with answer key)!
Check out our YouTube tutorials on Law of Sines and Law of Cosines and Learning the Unit Circle.
