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Thread: trig steps?

  1. May 12th 2010, 05:48 AM #1
    eq123
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    trig steps?

    what are the steps in this solution? especially the first step.. conjugate?

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  2. May 12th 2010, 06:53 AM #2
    eq123
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    i figured it out.. add and subtract 2sin^2(x)cos^2(x) to the numerator..
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