SOLUTION: a sign weighing 100lbs is connected in ceiling by cables having 43 degree and 62 degree with the ceiling. how can i find the tensions between the cables?

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Question 125572: a sign weighing 100lbs is connected in ceiling by cables having 43 degree and 62 degree with the ceiling. how can i find the tensions between the cables?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the vertical components of the tensions must sum to 100 lbs (to hold up the sign)

the horizontal components of the tensions cancel each other (equal but opposite) __ otherwise, the sign would move

T1(sin(43))+T2(sin(62))=100

T1(cos(43))=T2(cos(62))