Question: Verify the identity. StartFraction cosine left parenthesis alpha plus beta right parenthesis Over sine alpha cosine beta EndFraction equals cotangent alpha minus tangent beta Question

Verify the identity. StartFraction cosine left parenthesis alpha plus beta right parenthesis Over sine alpha cosine beta EndFraction equals cotangent alpha minus tangent beta Question content area bottom Part 1 Rewrite the numerator on the left side of the identity using one of the sum and difference formulas

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