• Cosine Rule

  COSINE RULE of chapter Trigonometry is explained with examples in this session.
  
  The session consists of the following 4-part video lessons:
  
  1) Cosine Rule - PART 1:
   - Cosine Rule Formula explained.
  
  2) Cosine Rule - PART 2:
   - Examples 1: Finding an unknown side of a triangle using Cosine Rule.
  
  3) Cosine Rule - PART 3:
   - Explanation on when to use Sine Rule and when to use Cosine Rule.
  4) Cosine Rule - PART 4:
   - Example 2: Finding an unknown angle of a triangle using Cosine Rule.
  
  Notes for the concepts discussed in this session are available in the Exercise File section.
  
  Homework on Cosine Rule is available in the Exercise File section.

• Session 4: Cosine Rule

  • Cosine Rule
    • Cosine Rule 5 mins
      View Demo

      Demo video

      Cosine Rule

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    • Example 1 5 mins
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      Demo video

      Example 1

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    • When to Use Cosine Rule 4 mins
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      Demo video

      When to Use Cosine Rule

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    • Example 2 7 mins
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      Demo video

      Example 2

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• Excercise Files

  • Notes - Cosine Rule
    • Notes - Cosine Rule
  • Homework - Cosine Rule
    • Homework - Cosine Rule

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