Use the fundamental identities to simplify the expression.
A. 1
B. csc2?
C. sec2?
D. cot2?
Answer: D
Mathematics
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What will be an ideal response?
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Solve the problem.A book publisher found that the cost to produce 1000 calculus textbooks is $26,800, while the cost to produce 2000 calculus textbooks is $52,500. Assume that the cost C(x) is a linear function of x, the number of textbooks produced. What is the marginal cost of a calculus textbook?
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Mathematics