202k views
3 votes
HELP PICTURE IS SHOWN

HELP PICTURE IS SHOWN-example-1
User Will Buck
by
6.6k points

1 Answer

2 votes
It's A.  a^2+b^2-2ab*cos(C)
User Kareen Lagasca
by
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.