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Piecewise function radians and numbers ?

  1. Feb 29, 2012 #1
    Hello, I have encountered the following piecewise function:

    (x − 1)^2 if x > 1
    tan x if −π/2 < x ≤ 0

    How would I interpret/graph this, as it seems to be referring to radians and regular numbers ?
    Thanks for any help.
  2. jcsd
  3. Feb 29, 2012 #2
    Radians are a way to name angles. With radians, you would say pi/2 radians. pi/2 is just a number, equal to approx 1.57
  4. Mar 1, 2012 #3


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    Science Advisor

    Your function, by the way, is not defined for [itex]0< x\le 1[/itex].
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