Factor and, if possible, simplify the expression.3tan2?  + tan ? - 3 tan ? cos ? - cos ?

A. (tan ? + cos ?)(3 tan ? - 1)
B. (3 tan ? - cos ?)(tan ? + 1)
C. (3 tan ? + cos ?)(tan ? - 1)
D. (tan ? - cos ?)(3 tan ? + 1)

Answer: D

Mathematics

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