$\"\"$

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(a)

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The point is $\"\"$ $\"\"$ .

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The above coordinate pair is in first quadrant.

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Angle $\"\"$ is in first quadrant.

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Graph :

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$\"\"$

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From Pythagorean theorem,

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Six trigonometric functions are,

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

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

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$\"\"$

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Substitute the values of $\"\"$ in above ratios.

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

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

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$\"\"$

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(b)

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The point is $\"\"$ $\"\"$ .

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The above coordinate pair is in second quadrant.

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Angle $\"\"$ is in second quadrant.

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Graph :

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$\"\"$

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From Pythagorean theorem,

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Six trigonometric functions are,

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

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

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Substitute the values of $\"\"$ in above ratios.

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

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

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$\"\"$

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

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(b) The six trigonometric functions are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .