$\"\"$

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Given data : $\"\"$ .

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Apply laws of Sines $\"\"$

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$\"\"$ (Apply reciprocal forms) $\"\"$

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Consider, $\"\"$ .

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$\"\"$ (Substitute : $\"\"$ )

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$\"\"$

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$\"\"$ ( $\"\"$ )

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

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$\"\"$ (Simplify)

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$\"\"$ ( $\"\"$ )

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The third angle of the triangle is $\"\"$ .

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$\"\"$ (Substitute : $\"\"$ )

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$\"\"$ (Simplify) $\"\"$

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Consider, $\"\"$

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$\"\"$ (Substitute : $\"\"$ )

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$\"\"$

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$\"\"$ ( $\"\"$ )

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$\"\"$ (Simplify) $\"\"$

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The solution is $\"\"$ , $\"\"$ and $\"\"$ .