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  1. Top | #1

    Mar 2014
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    solve:


    0 = 1+ cos 2x + cos x

    ......

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     (03-23-2014),  (03-23-2014),  (03-22-2014)

  3. Top | #2

  4. The Following 4 Users Say Thank You to For This Useful Post:

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  5. Top | #3

    Mar 2014
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