Solve the problem.A vector F represents a force that has magnitude 8 pounds, and 44° is the angle for its direction. Find the work done by the force in moving an object from the origin to the point (10, 0). Distance is measured in feet. Round the answer to one decimal place, if necessary.
A. 62.2 ft-lb
B. 57.5 ft-lb
C. 55.6 ft-lb
D. 115.1 ft-lb
Answer: B
Mathematics
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A. 
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D. 
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, sin ? > 0Find cos 
.
A. - 
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C. 
D. 
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