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Express the Sum or Difference as a Product of Sines sin⁡(8θ)−sin⁡(4θ)\sin ( 8 \theta ) - \sin ( 4 \theta )

Question 9

Multiple Choice

Express the sum or difference as a product of sines and/or cosines.
- sin⁡(8θ) −sin⁡(4θ) \sin ( 8 \theta ) - \sin ( 4 \theta )


A) 2sin⁡(2θ) 2 \sin ( 2 \theta )
B) 2sin⁡(2θ) cos⁡(6θ) 2 \sin ( 2 \theta ) \cos ( 6 \theta )
C) 2cos⁡(4θ) cos⁡(6θ) 2 \cos ( 4 \theta ) \cos ( 6 \theta )
D) 2sin⁡(6θ) cos⁡(2θ) 2 \sin ( 6 \theta ) \cos ( 2 \theta )

Correct Answer:

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