$\"\"$

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The function is $\"\"$ .

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Differentiate on both sides with respect to $\"\"$ .

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$\"\"$ .

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Definition of inverse trigonometric function : $\"\"$ .

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Since $\"\"$

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Product rule of Derivative: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .