Question: Formulas In Exercises 1-2, use the product-to-sum formulas to rewrite the product as a sum or difference 1. sin 5 sin 3 2. 7

Formulas In Exercises 1-2, use the product-to-sum formulas to rewrite the product as a sum or difference
1. sin 5Θ sin 3 Θ
2. 7 cos( 5β ) sin 3β
3. cos 2Θ cos 4Θ
4. sin(x + y) cos(x − y)

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