$\"\"$

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Step 1:

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The trigonometric function value is $\"\"$

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Recall basic ratios of trigonometry.

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$\"\"$

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$\"\"$

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From pythagorean theorem,

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$\"\"$

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Find the values are $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$ \ \

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$\"\"$

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$\"\"$

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$\"\"$ \ \

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$\"\"$ \ \ Solution :

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The values of trigonometric functions are,

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$\"\"$

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$\"\"$ \ \

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$\"\"$

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$\"\"$ \ \

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$\"\"$