Use the even-odd identities to find the exact value of the expression. cos (-?)
A. undefined
B. 0
C. 1
D. -1
Answer: D
Mathematics
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Solve.x2 = 24
A. ±6
B. ±2
C. 576
D. ±12
Mathematics
Construct a pie graph, with sectors given in percent, to represent the data in the given table.
A. 
B. 
C. 
D. 
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Solve the initial-value problem.
Mathematics
Factor the trinomial completely.
A. 
B. 
C. 
D. 
E. not factorable
Mathematics