Evaluate the following expression.
?
4 tan t cot t
?
A. 3
B. 5
C. 4
D. 2
E. 6
Answer: C
Mathematics
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Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line 
about the y-axis. Find the volume of the cylinder.
A. ?rh2 B. ?rh C. 2?r2h D. ?r2h
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Provide an appropriate response.The given triangles are congruent with ?A ? ?D. Write the corresponding part for 
from triangle DEF. 
A. 
B. 
C. 
D. 
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Express the inverse of the given statement symbolically.Take the square of x and subtract 7.
A. 
B. 
C. (x + 7)2
D. x2 - 7
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Perform the indicated operation. Simplify if possible.
? 
A. - 
B. 
C. - 
D. - 
Mathematics