Three String Tension Problem - 3 Dimensional

[musicisluvxo]

Three String Tension Problem --- 3 Dimensional

Homework Statement

A 5kg mass is suspended by three strings. The mass and strings are placed inside a cylinder. The strings are attached to the wall of the cylinder.

String 1 is 4m long and is attached to the wall 2m above the mass.

String 2 is 1.5m and is attached to the wall 1m above the mass. String 2 is attached 115degrees around from string 1.

String 3 is 2m long and is attached to the wall 1.25 m above the mass. String 3 is rotated 220 degrees from string 1.

Find T1, T2, and T3

Homework Equations

f=ma?

The Attempt at a Solution

I figured out 3 equations... and i think they are all wrong

 

[nasu]

Maybe you are right... how can someone tell if you don't show them?