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    catadams Posts: 2, Reputation: 1
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    #1

    Jan 19, 2013, 06:55 AM
    2 tan(x) = 1-tan2(x)
    Solve [0, π).
    catadams's Avatar
    catadams Posts: 2, Reputation: 1
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    #2

    Jan 19, 2013, 06:56 AM
    sorry

    2 tan(x) = 1 − tan^2(x)
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