$\"\"$

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(a)

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From the diagram the point is $\"\"$ .

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Now find the value for r.

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Apply formula : $\"\"$ .

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$\"\"$ (Substitute the values : $\"\"$ and $\"\"$ )

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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(b)

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From the diagram the point is $\"\"$ .

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Now find the value for r.

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Apply formula : $\"\"$ .

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$\"\"$ (Substitute the values : $\"\"$ and $\"\"$ )

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$\"\"$

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$\"\"$

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$\"\"$ $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ $\"\"$

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(a) The trigonometric functions are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ .

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(b) The trigonometric functions are $\"\"$ , $\"\"$ , $\"\"$ ,

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