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1. |
Find ( int frac{5 cos^2 x}{1+sin x} dx ). |
A. | -3(x+cos u2061x)+C |
B. | 5(x+cos u2061x)+C |
C. | 5(-x+sin u2061x)+C |
D. | 5(x-cos u2061x)+C |
Answer» C. 5(-x+sin u2061x)+C | |