A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-3, -2)Find cot ?.

A.
B. - 
C.
D.

Answer: D

Mathematics

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Find the exact area of the surface obtained by rotating the given curve about the x-axis.

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Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A sphere with r = 5.8 yd

A. 140.8 yd2 B. 422.4 yd2   C. 816.9 yd2 D. 105.6 yd2

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Find the composition. If f(x) = x2 - 7 and g(x) = x2 - 6, find (g ? f)(2).

A. -3 B. 33 C. 47 D. 3

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Solve.Find the slope of a line perpendicular to the line passing through  and 

A. - 1
B. - 
C. 2
D. 1

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Mathematics