Evaluate the integral.
A. 9 ln 
- 
cos2 x + C
B. 9 ln 
+ 
cos2 x + C
C. 9(ln 
+ sin x) + C
D. 9 ln 
- 
sin x + C
Answer: B
Mathematics
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A. x = 4
B. x = 
C. x = 10
D. x = 
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- 8 = -1
A. -37 B. -35 C. 35 D. 37
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