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


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