Use the given information to find the exact value of the trigonometric expression.sin ? = - ;   < ? < 2?Find cos(2?).

A. - 
B.
C. - 
D.


Answer: C

Mathematics

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Express the given function as a composite of functions f and g such that y = f(g(x)).y = 

A. f(x) = , g(x) = 8
B. f(x) = , g(x) = 8x + 8
C. f(x) = , g(x) = 8x + 8
D. f(x) = 8, g(x) = 

Mathematics

Describe the indicated set in words and find the set.(P ? C) , given the following information:The table gives features of different dishwashers.In the universal set U = {a, b, c, ..., i}, let the following characteristics be defined:P = price is at or below $469C = does an excellent job of cleaning chinaG = does an excellent job of cleaning glasswareE = has a good energy efficiency ratingF = has low noise level

A. Dishwashers costing $469 or less and dishwashers that do an excellent job of cleaning china; {a, b, c, d, f} B. Dishwashers that do an excellent job of cleaning china; {a, b, c, d, f} C. Dishwashers costing $469 or less that do an excellent job of cleaning china; {b, f} D. Dishwashers costing $469 or less that do an excellent job of cleaning china; {a, b, f}

Mathematics

Sketch a line passing through the given point with slope m.(0, 4), m = 

A.

B.

C.

D.

Mathematics

Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log5.0 2.2

A. 0.49 B. 2.04 C. 0.44 D. 0.34

Mathematics