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Homework Help: Help proving trigonometric identity

  1. Jun 15, 2011 #1
    1. The problem statement, all variables and given/known data

    cos[itex]\theta[/itex][itex]/[/itex]1-tan[itex]\theta[/itex]+sin[itex]\theta[/itex]/1-cot[itex]\theta[/itex]=sin[itex]\theta[/itex]+cos[itex]\theta[/itex]


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jun 15, 2011 #2

    Mark44

    Staff: Mentor

    The rules of this forum say that you need to show an attempt. What have you tried?

    Also, what you have written is very ambiguous. Is this the identity you are trying to prove?
    [tex]\frac{cos(\theta)}{1 - tan(\theta)} + \frac{sin(\theta)}{1 - cot(\theta)} = sin(\theta) + cos(\theta)[/tex]
     
  4. Jun 16, 2011 #3

    Mentallic

    User Avatar
    Homework Helper

    It obviously just skipped Blondie's mind that maybe points 2 and 3 should be filled in also.
     
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