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Homework Help: PreCalculs Question

  1. Mar 9, 2010 #1
    1. The problem statement, all variables and given/known data

    I'm unsure how to even start this problem

    Solve for x:

    Arctan( -4/5 ) + Arcos (2/SQRT(5) ) = Arctan(x)

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Mar 9, 2010 #2


    Staff: Mentor

    Do you have any ideas at all? You need to make an attempt at a solution before we can help you.
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