Factor and simplify the expression.1 - sin3x
A. (1 - sin x)(1 - 2 sin x + sin2x)
B. (1 - sin x)(cos x + sin2x)
C. (1 - sin x)3
D. (1 - sin x)(1 + sin x + sin2x)
Answer: D
Mathematics
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A. undefined B. 0 C. 1 D. -1
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A. -9
B. - 
C. 9
D. 
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