Find the area of the specified region.Inside the lemniscate r2 = a2 sin 2?, a > 0

A.
B. 0
C. ?a2
D. a2

Answer: D

Mathematics

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Solve the problem.Find the sum of the series by expressing as a geometric series, differentiating both sides of the resulting equation with respect to x, and replacing x by .

A.
B.
C.
D. 4

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Mathematics

Describe the end behavior of the function.f(x) = 2.7x sin 4x

A. f(x) = ?
B. f(x) = 0
C. f(x) = 0
D. f(x) = ?

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Mathematics

Find the exact value of the composition.cot-1 

A. - 
B.
C.
D. - 

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Mathematics

The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(6, -6)

A.
B.
C.
D.

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Mathematics