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Math Help - Trigonometric Equations

  1. #1
    Junior Member
    Joined
    Sep 2009
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    66

    Question Trigonometric Equations

    Positive angles x and y are such that x+2y=300 degrees and tan y= 2 cos160 degrees. Find their values.
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  2. #2
    Newbie
    Joined
    Nov 2010
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    Did you applied tan() to your first equation?
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