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-EquinoX-
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Homework Statement
Here's the picture and I am asked to calculate the tension in the tie rope between the rod and wall
http://img399.imageshack.us/img399/2625/masslg8.jpg [Broken]
http://g.imageshack.us/img399/masslg8.jpg/1/ [Broken]
Homework Equations
The Attempt at a Solution
The answer key is:
http://img399.imageshack.us/img399/4733/answermo0.jpg [Broken]
http://g.imageshack.us/img399/answermo0.jpg/1/ [Broken]
I just want to know why is it using cos 60 instead of sin 60?
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