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Help verifying a trig identity?

  1. Oct 22, 2012 #1
  2. jcsd
  3. Oct 22, 2012 #2

    SammyS

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  4. Oct 22, 2012 #3

    lurflurf

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    multiply the right hand side by one in the form
    [tex]\frac{\sin(x)-\cos(x)}{\sin(x)-\cos(x)}[/tex]
    and use
    [tex]\cos^2(x)+\sin^2(x)=1[/tex]
     
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