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Homework Help: Trig Identities Problem

  1. May 21, 2013 #1
    Given:
    A + B + C = 180 degrees

    Prove:
    TanA + TanB + TanC = TanA x TanB x TanC



    First time submitting something. Thank you all.
     
  2. jcsd
  3. May 21, 2013 #2

    verty

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    Homework Helper

    Hint: what do you know about 3 angles that sum to 180 degrees?
     
  4. May 21, 2013 #3

    CAF123

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    Gold Member

    You need to show some attempt.
     
  5. Jun 19, 2013 #4
    Start proving from the LHS.
     
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