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Trigonometry
- Cosine rule & Pythagoras' Theorem
- Pythagoras' Theorem Calculation
- Pythagoras Theorem
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Trigonometry
S D Hatfield, Jun 2, 2015
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1. Cosine rule & Pythagoras' Theorem
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2. Pythagoras' Theorem Calculation
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3. Pythagoras Theorem
Cosine rule & Pythagoras' Theorem
Drag the RED point to create an non-right angle triangle.
How does the COSINE rule extend Pythagoras' theorem to describe non-right angle triangles?
(Tick the box to see the Working).
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