Use an identity to find the value of the expression. Do not use a calculator.cos 3.5 sec 3.5

A. -3.5
B. 3.5
C. -1
D. 1


Answer: D

Mathematics

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Solve the problem.Let f(x) = x3. Find the order n of the Maclaurin polynomial required to approximate f on [-0.5, 0.5] with an error no more than 0.002.

A. n ? 3 B. n ? 4 C. n ? 1 D. n ? 2

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Find all complex solutions for the equation.4x-2 - 19x-1 - 5 = 0

A.
B.  
C.  
D.

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Perform the indicated operation. Assume that all variables are nonnegative.12 - 8 -  

A. 4
B. 5
C. -5
D. 3 

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Write the digit for the given place value in the whole number.4867hundredsones

A. hundreds 8 ones 7 B. hundreds 6 ones 7 C. hundreds 8 ones 6 D. hundreds 4 ones 8

Mathematics