Section 4.3 Right Triangle Trigonometry

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Section 4.3 Right Triangle Trigonometry
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• Right Triangle Definitions of Trigonometric
  Functions

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Trigonometry values for a given angle are always
the same no matter how large the triangle is
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Example
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• Function Values for Some Special Angles

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Example
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Example
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• Trigonometric Functions and Complements

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Example
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• Applications

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Example
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Example
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(a) (b) (c) (d)
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(a) (b) (c) (d)