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Use the Sum-To-Product Formulas to Rewrite the Sum or Difference sin⁡3θ−sin⁡θ\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⁡3θ−sin⁡θ\sin 3 \theta - \sin \theta ​


A) ​ 2sin⁡3θcos⁡θ2 \sin 3 \theta \cos \theta
B) ​ 2sin⁡2θcos⁡θ2 \sin 2 \theta \cos \theta
C) ​ 2cos⁡2θcos⁡θ2 \cos 2 \theta \cos \theta
D) ​ 2sin⁡2θsin⁡θ2 \sin 2 \theta \sin \theta
E) ​ 2cos⁡2θsin⁡θ2 \cos 2 \theta \sin \theta

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