$\"\"$

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Prove that $\"\"$ .

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Consider $\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$ .

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Derivative of inverse Trigonometric functions : $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The function is $\"\"$ .

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For all values of $\"\"$ , $\"\"$ , a constant.

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Since the derivative of the function $\"\"$ .

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To find the value of $\"\"$ , substitute $\"\"$ in left side of the function $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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To find the value of $\"\"$ ,substitute $\"\"$ in left side of the function $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, $\"\"$ .

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$\"\"$

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$\"\"$ .