Use a product-to-sum identity to rewrite the expression.sin(4t) cos(2t)
A. 0.5(cos(6t) - cos(2t))
B. 0.5(sin(6t) + sin(2t))
C. 0.5(cos(6t) + sin(6t))
D. 0.5(sin(6t) - sin(2t))
Answer: B
Mathematics
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A. 0
B. 
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