Write the product as a sum or difference containing only sines or cosines.sin(6?) sin(4?)
A. 
[sin(10?) + cos(2?)]
B. 
[cos(10?) - cos(2?)]
C. sin2(24?2)
D. 
[ cos(2?) - cos(10?)]
Answer: D
Mathematics
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A. 149 B. 165 C. 174 D. 126
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A. 3 B. 6 C. -6 D. 0
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Rewrite the expression using the indicated property of real numbers.Commutative property of multiplication:
9(-6)
A. 6(-9) B. 9(-6) C. (-9)(6) D. (-6)(9)
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Solve the system of equations by Gaussian elimination.
A. {(-2, -13)} B. {(1, -13)} C. {(-2, -1)} D. ?
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