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-   -   TI-89 Titanium graphing problem (http://www.physicsforums.com/showthread.php?t=156480)

irelandmc Feb15-07 12:45 PM

TI-89 Titanium graphing problem
 
Hi all, found this forum while looking for a solution to this problem:

When I graph a y1=sin(x) I get the sin wave you would expect.

but...

When I graph y2=5+4*sin(pi/12)(x+10) I get a line instead of a wave?

What gives? I'm in radian, I reset my factory defaults... Am I entering this wrong? Shouldn't that give you a sin wave?

Thanks for your help!

irelandmc Feb15-07 01:33 PM

http://fooplot.com/5+4sin(pi/12)(x+10)

You have to pan left to about x=-15 to see it

Well, fooplot gave me the same thing, so why am I expecting this to be a sin wave?


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