A traffic light weighing 15 pounds is suspended by two cables (see figure). Find the tension in each cable if ?1 = 40° and ?2 = 35°. Approximate the answers to one decimal place.
?
?
A. ??TL = 12.7 lb; TR = 12.7 lb
B. ?TL = 11.9 lb; TR = 11.9 lb
C. ?TL = 11.9 lb; TR = 12.7 lb
D. TL = 12.7 lb; TR = 11.9 lb
E. ??TL = 13.7 lb; TR = 12.9 lb
Answer: D
Mathematics
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