Foundations 11 Nov 2 2017 November 1, 2017October 31, 2017 rpahlevanluFoundations 11, Today's Class Today: Cosine Law for Acute Triangles D5 3.3 Cosine Law Acute Triangles (WORD) D5 3.3 Cosine Law Acute Triangles (PDF) HW. pg 136 # 1, 4, 5, 6ac, 7ac, 8, 9, 13