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Graph of X*Sin(X) incorrect HP50g
09-29-2017, 05:58 PM (This post was last modified: 09-29-2017 05:59 PM by Dieter.)
Post: #4
RE: Graph of X*Sin(1/X) is fine
(09-28-2017 01:59 PM)MullenJohn Wrote:  Graphing the function X times Sin(X) displays a Horizontal Asymptote at positive 1.
I am in radian mode using RPN.

For the record: you now said that the function is x · sin(1/x). This function indeed approachs +1 as x approaches infinity: This means that 1/x approaches zero and thus sin(1/x) ≈ 1/x so that the limit is x · 1/x = 1. So there is no problem with the 50G.

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RE: Graph of X*Sin(1/X) is fine - Dieter - 09-29-2017 05:58 PM

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