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Step 1:

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Eulers Rule:

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$\"image\"$ .

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$\"image\"$ .

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$\"\"$ and $\"\"$ .

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Step 2:

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The expression is $\"image\"$ .

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$\"image\"$

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$\"image\"$

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$\"image\"$

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$\"image\"$

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$\"image\"$

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$\"image\"$

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Apply formula: $\"\"$ .

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$\"image\"$

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$\"image\"$

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$\"image\"$

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Apply double-angle formula: $\"\"$ .

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$\"image\"$

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$\"image\"$ .

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$\"image\"$ .

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Solution:

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$\"image\"$ .

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