Use the sum-to-product formulas to write the given expression as a product.
$\sin 5 \theta - \sin 3 \theta$
A) 2 sin 4$\theta$cos $\theta$
B) -2 sin 4$\theta$ sin$\theta$
C)- 2 cos 4$\theta$ cos$\theta$
D) 2 cos 4$\theta$ sin $\theta$
E) 2 cos 4$\theta$ cos $\theta$

Question

Use the sum-to-product formulas to write the given expression as a product.  
  $\sin 5 \theta - \sin 3 \theta$  
A) 2 sin 4$\theta$cos $\theta$   
B) -2 sin 4$\theta$  sin$\theta$ 
C)- 2 cos 4$\theta$  cos$\theta$  
D) 2 cos 4$\theta$ sin $\theta$
E) 2 cos 4$\theta$ cos $\theta$

Quizplus · Accepted Answer

The Answer of Use the sum-to-product formulas to write the given expression as a product.  
  $\sin 5 \theta - \sin 3 \theta$  
A) 2 sin 4$\theta$cos $\theta$   
B) -2 sin 4$\theta$  sin$\theta$ 
C)- 2 cos 4$\theta$  cos$\theta$  
D) 2 cos 4$\theta$ sin $\theta$
E) 2 cos 4$\theta$ cos $\theta$

Use the Sum-To-Product Formulas to Write the Given Expression as a Product