Use a product-to-sum identity to rewrite the expression.sin 32° cos 21°
A. 0.5(cos(53°) + cos(11°))
B. 0.5(cos(11°) - cos(53°))
C. 0.5(sin(11°) - sin(53°))
D. 0.5(sin(53°) + sin(11°))
Answer: D
Mathematics
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A. 
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C. (0, 8)
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a. 4 x 2 - 2 x -2 b. 4 x 2 - 7 x + 3 c. 4 x 2 + 5 x - 12 e. 4 x 2 + 7 x -4
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dx
B. 
dx
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