LawOfCosines.md (317B)
1 # Law of Cosines 2 3 SS 4 5 **Definition:** The law of cosines is defined as c^2 = a^2 + b^2 - 2ab cos(C) where a and b are side lengths and c is the side length to be found that is opposite of the angle C. 6 7 When using the law of cosines it is important to note we are finding the side length opposite of the known angle.