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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 | |