Which equation correctly applies the law of cosines to solve for an unknown angle measure?
A
7 squared is equal to 8 squared plus 11 squared minus 2 8 11 cosine cap nB
8 squared is equal to 7 squared plus 11 squared minus 2 7 11 cosine cap pC
7 squared is equal to 8 squared plus 11 squared minus 2 8 11 cosine cap pD
8 squared is equal to 7 squared plus 11 squared minus 2 7 11 cosine cap m