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Cosine Rule

Cosine Rule

Session 4: Cosine Rule

Cosine Rule

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  • 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

  • Excercise Files

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