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How do I simply this (there should be a trig. identity involved

  1. Nov 6, 2009 #1
    1. This was actually a center of mass problem, so I got the equation below:



    2.[T_2*sin(theta2)] / [T_1*sin(theta1) + T_2*sin(theta2)]



    3. This is part of a solution I obtained for a physics problem. I know there is some trick with a trig indentity that I can use to simplify this. What is the identity?
     
  2. jcsd
  3. Nov 6, 2009 #2
    Here's a visual aid:

    MTS_st_24.jpg
     
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