LEARNING OBJECTIVE: To understand how and when to use the Cosine rule
SUCCESS CRITERIA: You will be able to solve triangle problems using the cosine rule
ENGAGEMENT ACTIVITY: Completing the Square Homework – 2nd Page
LESSON: Using this lesson introduce the cosine rule. Use the screens to encourage participation and the questions screens to generate lots of practice, don't use final screen
Extra questions can be found in Higher text book, Ex 22H page 488
PLENARY: Review of Cosine Rule, checking understanding, use final screen of Mymaths as an 'Exam Question'
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