In triangle ABC, If vertex A is at origin then the law of cosine is.

User login

10 + 6 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

In triangle ABC, If vertex A is at origin then the law of cosine is:

a2=b2+c2-2bccosα

a2=b2+c2-2bccosβ

a2=b2+c2+2bccosβ

a2=b2+c2+2bccosα