$\"\"$

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Side $\"\"$ and angle $\"\"$ .

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From the right angle triangle $\"A$ .

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

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

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Therefore, the angle $\"\"$ .

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$\"\"$

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Now we find $\"\"$ and $\"\"$ .

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Trigonometric function : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, the side $\"\"$ .

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$\"\"$

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Trigonometric function : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, the side $\"\"$ .

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$\"\"$

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The angle $\"\"$ and sides $\"\"$ and $\"\"$ .