Express the product as a sum containing only sines or cosines.sin 
cos 
A. 
[sin (3?) - sin (2?)]
B. 
[cos (3?) + sin (2?)]
C. 
sin cos (5?)
D. 
[cos (6?) - sin (4?)]
Answer: A
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A. Deficit B. Surplus
Establish the identity.cot ( x + y) cot (x - y) = 
What will be an ideal response?
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Answer the following statement true (T) or false (F)
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