Foundations 11 Sep 27 2016 September 26, 2016September 26, 2016 rpahlevanluFoundations 11, Today's Class Agenda: 3.3 Cosine Law: 3-3-cosine law notes (WORD) 3-3-notes-cosine (PDF) Visual proof of cosine law: https://www.geogebra.org/m/zyVmq7B5 HW. 3.3 from hw outline