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## Transcript

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Chapter 9 - Trigonometric Ratios

LO's

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Chapter 9 - Trigonometric Ratios

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9.1 - The cosine rule

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9.1 - The cosine rule

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9.1 - The cosine rule

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9.1 - The cosine rule

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9.2 - The sine rule

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9.2 - The sine rule

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9.2 - The sine rule

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9.2 - The sine rule

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9.3 - Areas of triangles

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9.3 - Areas of triangles

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9.4 - Solving triangle problems

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9.4 - Solving triangle problems

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9.4 - Solving triangle problems

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9.4 - Solving triangle problems

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9.5 - Graphs of sine, cosine and tangent

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9.5 - Graphs of sine, cosine and tangent

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9.5 - Graphs of sine, cosine and tangent

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9.5 - transforming trigonometric graphs

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9.5 - transforming trigonometric graphs

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9.5 - transforming trigonometric graphs

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9.5 - transforming trigonometric graphs

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9.5 - transforming trigonometric graphs

### Chapter 9 Learning Objectives

• Use the cosine rule to find a missing side or angle.
• Use the sine rule to find a missing side or angle.
• Find the area of a triangle using an appropriate formula.
• Solve problems involving triangles.
• Sketch the graphs of the sine, cosine and tangent functions.
• Sketch simple transformations of these graphs.

### Chapter 9 Learning Objectives

• Use the cosine rule to find a missing side or angle.
• Use the sine rule to find a missing side or angle.
• Find the area of a triangle using an appropriate formula.
• Solve problems involving triangles.
• Sketch the graphs of the sine, cosine and tangent functions.
• Sketch simple transformations of these graphs.