$\"\"$

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(a).

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The angle is $\"\"$ .

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Converting the angle into decimal degree form :

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$\"\"$

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$\"\"$

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(b).

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The angle is $\"\"$ .

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Converting the angle into decimal degree form :

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$\"\"$

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$\"\"$

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(a) The decimal degree form of $\"\"$ is $\"\"$ .

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(b) The decimal degree form of $\"\"$ is $\"\"$ .