$\"\"$

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Triangle $\"\"$ is a right triangle with $\"\"$ .

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The sides $\"\"$ and $\"\"$ .

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Apply Pythagorean theorem: $\"\"$ .

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$\"\"$

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$\"\"$

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The three trigonometric functions with $\"\"$ :

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$\"\"$ ,

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$\"\"$ ,

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$\"\"$ .

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The three trigonometric functions with $\"\"$ :

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$\"\"$ ,

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$\"\"$ ,

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$\"\"$ . $\"\"$

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The trigonometric functions are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .