Use the Sum-To-Product Formulas to Rewrite the Sum or Difference $$\sin 3 \theta - \sin \theta$$

question 26

Multiple Choice

Use the sum-to-product formulas to rewrite the sum or difference as a product.​ $$\sin 3 \theta - \sin \theta$$ ​

• A)​ \(2 \sin 3 \theta \cos \theta\)
• B)​ \(2 \sin 2 \theta \cos \theta\)
• C)​ \(2 \cos 2 \theta \cos \theta\)
• D)​ \(2 \sin 2 \theta \sin \theta\)
• E)​ \(2 \cos 2 \theta \sin \theta\)

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