\"\"

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The point is \"\".

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Consider the point \"\".

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From the pythagoras theorem,the value of \"\".

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Substitute the values \"\".

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Therefore \"\" and \"\" and \"\".

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The trigonometric ratios are :

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(i).\"\".

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(ii).\"\"

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(iii).\"\"

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(iv).\"\"

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(v).\"\"

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(vi).\"\"

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\"\"

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\"\" , \"\" , \"\".

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And \"\"\"\" , \"\".

\