Express the product as a sum containing only sines or cosines.sin (5?) sin (2?)
A. sin2 (10?2)
B. 
[ cos (3?) - cos (7?)]
C. 
[cos (7?) - cos (3?)]
D. 
[sin (7?) + cos (3?)]
Answer: B
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A. gross B. taxable C. adjusted gross D. None of the above
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A. $1003.30 B. $270.00 C. $3737.19 D. $5400.00
Write the trigonometric expression as an algebraic expression containing u and v.sin (tan-1 u + tan-1 v)
A. 
B. 
C. 
D. 
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A. unconscious B. ego C. superego D. id