Solve the problem using the vector form v = 
[(cos ?)i + (sin ?)j].A 150-lb sign is hanging from the end of a hinged boom, supported by a cable inclined at 40° with the horizontal. Find the tension in the cable and the compression in the boom rounded to the nearest pound. 
A. Cable: 179-lb tension; boom: 233-lb compression
B. Cable: 126-lb tension; boom: 196-lb compression
C. Cable: 196-lb tension; boom: 126-lb compression
D. Cable: 233-lb tension; boom 179-lb compression
Answer: D
Mathematics
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