Express the product as a sum containing only sines or cosines.sin(6?) sin(2?)
A. sin2(12?2)
B. 
[sin(8?) + cos(4?)]
C. 
[cos(8?) - cos(4?)]
D. 
[ cos(4?) - cos(8?)]
Answer: D
Mathematics
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(a) 
(b) 
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A. -0.3 B. 0 C. -0.15 D. -0.6
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Establish the identity.tan 
= 
What will be an ideal response?
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