Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find cos(2?).
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Solve the rational inequality. Express the solution using interval notation.
< 0
A. (2, ?) B. (-8, 2) C. (-?, -8) D. (-?, -8) ? (2, ?)
Mathematics
Find the Cartesian coordinates of the given point.(9, 0)
A. (0, 9) B. (0, -9) C. (-9, 0) D. (9, 0)
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Solve the problem.The following information on Company X appears in a stock table. Find the price-to-earnings ratio for Company X.
A. 29 B. 33.53 C. 37.62 D. 27.41
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Solve the problem.Determine the effective annual yield for $1 invested for 1 year at 3.5% compounded semiannually.
A. 3.5.00% B. 3.56% C. 3.53% D. 3.55%
Mathematics