Factor and simplify.cos3 x - 512
A. (cos x + 8)(cos2 x - 8cos x + 64)
B. (cos2 x - 8)(cos x + 64)
C. (cos x - 8)(cos2 x + 8cos x + 64)
D. (sin2 x - 8)(cos x + 64)
Answer: C
Mathematics
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