$\"\"$

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The composite function is $\"\"$ .

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The functions are $\"\"$ and $\"\"$ .

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Substitute the functions $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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Consider $\"\"$ .

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Trignometric even-odd property $\"\"$

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$\"\"$

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Simpify the above expression

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$\"\"$

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$\"\"$

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$\"\"$ \ \

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$\"\"$ .

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Substitute $\"\"$ in the $\"\"$ .

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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 solution of expression $\"\"$ is $\"\"$ .