Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.cos 46.7°
A. cos 133.3°
B. sin 43.3°
C. sec 133.3°
D. sin 46.7°
Answer: B
Mathematics
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A. 
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C. $9176.03
D. $4891.02
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Simplify the complex rational expression.
A. 
B. 
C. 
D. 
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Use 
, 
, and the properties of logarithms to approximate 
to four decimal places.
A. 
B. 
C. 
D. 
E. 
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Solve the problem.A boat goes 640 miles downstream in the same time it can go 560 miles upstream. The speed of the current is 4 miles per hour. Find the speed of the boat in still water.
A. 60 mph B. 56 mph C. 120 mph D. 64 mph
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