Find the integral.
A. - 
cot 5x + C
B. 
cot 5x + C
C. - 
tan 5x + C
D. - 30 cot 5x + C
Answer: A
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Find the sum. Simplify when necessary.
+ 
A. 
B. - 
C. - 
D. 
Calculate the work done by the force F along the path C.F = - 
i + 
j + 
k; C: r(t) = 
i + 
j + 7tk, 0 ? t ? 
A. W = 
+ 
?2
B. W = 
+ 
?2
C. W = 
+ 
?2
D. W = 
+ 
?2
Let p : Today is Friday ; q : There is homework tonight. Translate the following statement into words.
?
?
A. Today is Friday, and there is no homework tonight. B. Today is not Friday, and there is homework tonight. C. Today is Friday, or there is no homework tonight. D. Today is not Friday, or there is homework tonight. E. Today is not Friday, and there is no homework tonight.
Find the expression as the sine or cosine of an angle.
?
?
A. 
B. 
C. 
D. 
E. 