$\"\"$

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

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From the right angle triangle $\"A$ .

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

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$\"A$

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$\"A$

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Therefore, the angle $\"A$ .

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$\"\"$

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Find a and $\"\"$ .

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Trigonometric function : $\"\"$ .

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$\"a$

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$\"a$

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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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$\"c$

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$\"c$

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$\"\"$ .

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Therefore, the side $\"\"$ .

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$\"\"$

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