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Solving for X help

  1. Dec 9, 2007 #1

    PHK

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    [SOLVED] Solving for X help

    1. The problem statement, all variables and given/known data
    sin(60-x)=2sinx need to find x


    i have no idea on how to solve it.
     
  2. jcsd
  3. Dec 9, 2007 #2

    cristo

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    Well the first thing I would do would be to expand the sine function on the left hand side using the multiple angle formula.
     
  4. Dec 9, 2007 #3

    PHK

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    thanks i figured it out. i forgot that sin(x-y)=sinxcosy-sinycosx
     
  5. Dec 9, 2007 #4

    cristo

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    You're welcome.
     
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