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Mathematics 20 Online
OpenStudy (anonymous):

What is the limit of (x/2)(sin(2pi/x)) as x approaches infinity?

OpenStudy (anonymous):

Well if it helps I know the answer is pi but anyone know how the evaluation is done?

zepdrix (zepdrix):

|dw:1349548947356:dw||dw:1349549003758:dw| Hmm maybe go this direction? I'm just not sure about that basic integral that i mentioned, I know what it looks like when you approach 0, but infinity I dunno, maybe it's one of those identities i was suppose to remember ^^ Lemme know if any of these steps were confusing.

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