1.

Integrate 8 tan3 x sec2 x.

A. 2 tan<sup>4</sup> u2061x+C
B. 4 cot<sup>4</sup> u2061x+C
C. 2 tan<sup>3 u2061</sup>x+C
D. tan<sup>4 u2061</sup>x+C
Answer» B. 4 cot<sup>4</sup> u2061x+C


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