MCQOPTIONS
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| 1. |
Find the integral of ( frac{cos^2 x-sin^2 x}{7 cos^2 x sin^2 x} ). |
| A. | ( frac{1}{7} ) (cot u2061x-tan u2061x)+C |
| B. | ( frac{1}{7} ) (cot u2061x-2 tan u2061x)+C |
| C. | ( frac{1}{7} ) (cot u2061x+tan u2061x)+C |
| D. | ( frac{1}{7} ) (2 cot u2061x+3 tan u2061x)+C |
| Answer» D. ( frac{1}{7} ) (2 cot u2061x+3 tan u2061x)+C | |