Physics help, tension in cable.?

Question

A 24 kg loudspeaker is suspended 3.0 m below the ceiling by two cables that are each 20 degrees from vertical.

Part A -

What is the tension in the cables?

Express your answer using two significant figures.

T = N

Answer 1

The vertical component of tension for each cable is

T cos 20

Thus,

( 24 kg ) ( 9.8 m/s^2 ) = 2 T cos 20

T = 130 N