Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 2, cos ? < 0Find cos 
.
A. -
B. 
C. - 
D. 
Answer: C
Mathematics
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Rationalize the denominator of the following expression and then simplify your answer.
?
?
A. 3
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.Find the average height of the paraboloid 
above the disk 
in the 
.
A. 96
B. 160
C. 
D. 32
Mathematics
Write a positive or negative fraction to describe the situation.Jonathan was short 
cup of milk for the cake recipe.
A. 
B. - 
C. 
D. - 7
Mathematics
Use front end rounding to estimate the answer. Then use your estimate to select the correct exact answer.9.6 + 0.002
A. 9.602 B. 9.612 C. 9.502
Mathematics