FM 20 Unit 5 Lesson 3: Cosine Law with Obtuse Triangles

 Instructions:

1. Watch the video
2. Fill in your notes
3. Complete the homework Page 170 #1b, 3bc, 4b, 5ac, 6, 8, 9, 10
4. Complete the lesson portfolio question

Unit 5 Lesson 3 Video

Textbook Page 170 #1b, 3bc, 4b, 5ac, 6, 8, 9, 10