$\"\"$

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The algebraic equation is $\"\"$ and of $\"\"$ .

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Consider $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Apply Pythagorean identity : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The value of $\"\"$ is $\"\"$ .

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$\"\"$

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Pythagorean identity : $\"\"$ .

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$\"\"$

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The value of $\"\"$ is $\"\"$ .

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Thus, the trigonometric equation is $\"\"$ , the value of $\"\"$ is $\"\"$ , and the value of $\"\"$ is $\"\"$ .

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$\"\"$

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The trigonometric equation is $\"\"$ , the value of $\"\"$ is $\"\"$ , and the value of $\"\"$ is $\"\"$ .