Use of Mathcadv14

Discussion in 'The Projects Forum' started by Mahnoor Fatima, Oct 13, 2015.

  1. Mahnoor Fatima

    Thread Starter New Member

    Oct 13, 2015
    1
    0
    Hi everybody, I have a system of trig. equation as follow:
    cos(α1)-cos(α2)+cos(α3)=3/4
    cos(5α1)-cos(5α2)+cos(5α3)=0
    cos(7α1)-cos(7α2)+cos(7α3)=0

    I need to solve α1, α2, α3 to eliminate the odd harmonics and my professor introduce me to use Mathcad v14, but i still unable to find its root.
    Does anyone know it? please help me. Thank you very much!
     
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