• Use the Law of Cosines to solve oblique triangles (SSS or SAS).
• Use the Law of Cosines to model and solve real-life problems.
• Use Heron’s Area Formula to find the area of a triangle.
http://academics.utep.edu/Portals/1788/CALCULUS%20MATERIAL/6_2%20VECTORS%20IN%20THE%20PLANE.pdf