Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominators where necessary.tan ? = 3 Find cos ?.

A.
B.
C.
D.


Answer: D

Mathematics

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Determine whether the statement is true or false. 11 ? {1, 2, 3, ..., 10}

A. True B. False

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Sketch the surface z = f(x,y).f(x, y) = -x2 - y2

A.

B.

C.

D.

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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (2, 0), and (0, 5)

A. 0 B. 20 C. 10 D. 50

Mathematics

Provide an appropriate response.Which of the following statements is false?

A.  converges if p >1 and diverges if p ? 1.
B. The integral test does not apply to divergent sequences.
C. If an and f(n) satisfy the requirements of the Integral Test, and if  converges, then  = dx.
D. converges if p > 1.

Mathematics