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Thread: derivative check answer please!

  1. September 8th 2008, 02:01 AM #1
    jvignacio
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    derivative check answer please!

    <br /> <br /> y = xsinx - cosx<br /> <br />

    its derivative is:

    <br /> <br /> y' = (sinx + xcosx) + sinx <br /> <br />

    correct? thank u
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  2. September 8th 2008, 02:04 AM #2
    Chop Suey
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    Yes.
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  3. September 8th 2008, 02:15 AM #3
    jvignacio
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    Quote Originally Posted by Chop Suey View Post
    Yes.
    thank u!
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