Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find tan(2?).
A. 
B. - 
C. - 
D. 
Answer: D
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Find the derivative of y with respect to the independent variable.y = t8 - e
A. 
B. t8 - e
C. (8 - e)t7 - e
D. (7 - e)t8 - e
Solve the problem.Barbara knows that she will need to buy a new car in 5 years. The car will cost $15,000 by then. How much should she invest now at 5%, compounded quarterly, so that she will have enough to buy a new car?
A. $12,340.54 B. $11,193.23 C. $13,257.81 D. $11,700.13
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the priority list, C, E, G, F, B, A, D and the priority-list model to schedule this project with two processors results in a finishing time of
A. 21 hours. B. 24 hours. C. 22 hours. D. 26 hours. E. none of these
Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 