What is another word for law of cosines?
Pronunciation: [lˈɔː ɒv kˈə͡ʊsa͡ɪnz] (IPA) 
The "law of cosines" is a mathematical formula used to determine the length of a side or size of an angle in a non-right triangle. There are several synonyms for this formula, including the cosine rule or the cosine law. Some other phrases that can be used to describe this concept might include the law of cos, the law of cosines theorem, or the law of cosines equation. Regardless of the terminology used, the law of cosines is an important tool for mathematicians and scientists to use in order to understand the relationships between angles and sides in a triangle.
