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    hrc13's Avatar
    hrc13 Posts: 1, Reputation: 1
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    #1

    Dec 3, 2011, 08:32 PM
    Verifying this identity?
    [sin2x (sin3x sin1x)]/[cos2x (cos3x cos1x)]=tan2x
    jcaron2's Avatar
    jcaron2 Posts: 986, Reputation: 204
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    #2

    Dec 6, 2011, 08:17 AM
    If you want an answer to your question, you might consider taking a few seconds to actually reread what you posted. Then you might notice that simply copying and pasting doesn't work well for math problems on this site. The + and - signs tend to get dropped.

    Try retyping the problem manually, and then we'll be able to help you.
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