Lesson Category: Form 4 & 5

Form 4 & 5 Unit 10 Lesson 12: Choosing the correct rule (Sine and Cosine Rule altogether)

Objectives: At the end of the lesson, students should be able to: Clearly distinguish between the sine and the cosine rule. Select the correct rule when solving problems involving sine and cosine rule.   There are six numbers to know about a triangle: the length of the three sides and the three angles. If you …

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