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Cp330 Won't Graph Sin(x)


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#1 TZ250

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Posted 07 August 2009 - 04:34 AM

Everyone, my wonderful ClassPad 330 is refusing to graph Y=Sin(X). I have been using variations of the trig. functions for a while. Now, when I try to graph a sine wave, it gives me a slightly positive linear line. Cosine is the same graph, etc.

Why did it do that? Did I hit a hot-key and change something? My batteries are good and show four bars. I removed a battery for a few seconds, but that didn't change anything.

Please help.
TIA!

Edited by TZ250, 07 August 2009 - 04:37 AM.


#2 IbmPad

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Posted 10 August 2009 - 03:39 PM

I don't know, but check the angle unit (Menu at the top left corner, then Basic format ; check that Radian is not selected instead of Degree for instance) and/or try to change the View Window (or graph sin(x), then click Zoom, Quick Trig).

#3 afshin_electronic

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Posted 12 August 2009 - 06:56 PM

dude just change the mode to radian by tapping on it at the down left corner of the screen ....




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