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Thread: decreasing function

  1. April 27th 2011, 05:17 AM #1
    alexandrabel90
    alexandrabel90 is offline
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    decreasing function

    how do you show that sinz/ z is a decreasing function where z is the angle from 0 to pi/2?
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  2. April 27th 2011, 05:19 AM #2
    Ackbeet
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    Why not take the derivative and show it's negative on that interval?
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