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Thread: [Resolved] Sum Identity

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  1. Nov 26th, 2002, 09:44 PM #1
    The Hobo
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    [Resolved] Sum Identity

    I have a project problem that reads:

    Show how to derive the sin(2x) from the sum identity using sin(x + x).
    Sounds easy. But I can't find anything about the sum identity in my book. Can anyone enlighten me?
    Last edited by The Hobo; Nov 26th, 2002 at 10:54 PM.
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