Determine the indefinite integral.
A. - 
sech-1 
+ C
B. - 
csch-1 
+ C
C. 
csch-1 
+ C
D. sinh-1 
+ C
Answer: B
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Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Solve the problem. If necessary, round to the nearest tenth, unless intructed otherwise.This year, 330 students have signed up for a general education class at the local college. The college administrators know that a certain number of transfer students, x, will also sign up for the course. They want to know how many sections of the course there will have to be. If there can only be 34 students per section, write a formula for the number of sections, N, needed.
A. N = 
B. N = 
C. N = 
D. N = 
Write an equation for the ellipse.foci at (0, 11), (0, -11), through the point 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Simplify the expression.(4-1)-2
A. 
B. 
C. 16
D. 4