Write the trigonometric expression as an algebraic expression containing u and v.cos(tan-1 u + tan-1 v)

A.
B.
C.
D.

Answer: C

Mathematics

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Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.10

A.  - i
B.  + i
C. -  + i
D. -  - i

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Mathematics

Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.324/5

A. 512 B. 256 C. 128 D. 16

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Mathematics

Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.56 - 4.4 ? (0.76 + 4) - 1.22

A. 33.62 B. 247.06 C. 36.50 D. 244.18

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Mathematics

Write the fractions in lowest terms. Then determine whether the pair of fractions is equivalent or not equivalent. and 

A. Equivalent B. Not Equivalent

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Mathematics