03 May 2023 Grade 12 Essentials Math. Word of the Day: Cosine Law
Announcements: Mid-Term Test tomorrow. Quadruple weight factor, do not miss unless alternate arrangements made with Natallie. Test will [likely] be 1 X Problem Solve, 1 X Percentile Rank, 1 X Weighted mean, 1 X Car purchase, 1 X Pythagoras, 1 X Solve Right Triangle (SOH CAH TOA), 1 X Euclid angle stuff. Couple Bonus? Couple Multiple Choice?
Today’s Lesson(s)
- Warm up , Test Prep.
- G-4 Solve Right Triangles. (Couple more examples. Grade 10 and 11 Review)
- Demo Solving Any triangle using two right triangles
- Explore Cosine Law.
- Lesson Support: Explore Cosine Law Video
- Unit G Notes pp. 12 – 13 Cosine Law (finding side)
- Lesson Support Videos: Cosine Law
- Start Assgt G – 5 Cosine Law. (Identical assgt to Grade 11 again! Due: <9 May)
- Read ahead pp. 13- 14 Cosine Law Finding an Angle
- Lesson Support Video: Cosine Law to Find and Angle
- Lesson Support [TikTok] Short: Find angle with Cosine Law