$\"\"$

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The integral is $\"\"$ .

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Simplify the integral is

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$\"\"$

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Trignometry identity : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Consider $\"\"$ .

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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Substitute $\"\"$ and $\"\"$ in the equation $\"\"$ .

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$\"\"$

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Constant of integration : $\"\"$ .

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Power rule of integral : $\"\"$ .

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in the above expression.

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .