Question: Use the product-to-sum formulas to rewrite the product as a sum or difference. 1. Cos 4 Sin 6 2. 2 Sin 7

Use the product-to-sum formulas to rewrite the product as a sum or difference.
1. Cos 4 θ Sin 6 θ
2. 2 Sin 7 θ Cos 3 θ

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