Express the product as a sum containing only sines or cosines.sin(2?) sin(4?)
A. 
[- cos(2?) - cos(6?)]
B. 
[cos(6?) - sin(2?)]
C. 
[cos(2?) - cos(6?)]
D. sin2(8?2)
Answer: C
Mathematics
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converge, for 
A. 
B. 
C. 
D. 
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Express the sum or difference as a product of sines and/or cosines.sin (4?) - sin (6?)
A. -2 sin ? cos (5?) B. 2 sin (5?) cos ? C. -2 sin ? D. 2 cos (4?) cos (5?)
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Find the limit, if it exists.
A. Does not exist B. -1 C. 0 D. 5
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Find the range of the quadratic function.f(x) = -7(x - 3)2 - 7
A. [-7, ?) B. (-?, 3] C. (-?, -7] D. [-3, ?)
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