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Struggling on this one

  1. Sep 29, 2004 #1
    y = x*square root of 3 + 2sinx find the x coordinate on (0,2pie) of the points where y has a horizonal tangent line

    I am really lost and struggling on getting this started :cry: :confused:

    thanks joe
     
  2. jcsd
  3. Sep 29, 2004 #2

    HallsofIvy

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    Since y= x√(3)+ 2 sin x, y'= &radic(3)+ 3 cos x. The tangent line is horizontal when y'= 0.
     
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