Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. 
B. -
C. -
D. 
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 9cos ?x, y = 0, x = -0.5, x = 0.5
A. 
?
B. 162?
C. 27?
D. 81?
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.x - y for x = 
, y = 
A. 
B. 
C. 
D. 
Mathematics
Round to the nearest thousandth.6.49999
A. 6.500 B. 7.000 C. 6.490 D. 6.590
Mathematics
Fill in the blank with the correct inequality symbol.If x < 5, then -5x 
-25.
A. ? B. < C. ? D. >
Mathematics