$\"\"$

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The trigonometric expression is $\"\"$ .

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Rewrite in terms of sine and cosine functions: $\"\"$ .

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Quotient identity: $\"\"$ .

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$\"\"$

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Reciprocal identity: $\"\"$

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$\"\"$

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Cancel common terms.

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$\"\"$ .

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$\"\"$

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$\"\"$ .

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