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MathGroup Archive 2012

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Different answers in mathematica and my calculator.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg125578] Different answers in mathematica and my calculator.
  • From: Nile <thrasher300 at gmail.com>
  • Date: Mon, 19 Mar 2012 05:00:46 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

4/(3Power[2(-2)+3, (3)^-1])

I get -(4/3) (-1)^(2/3) in Mathematica but only -4/3 on my calculator.


N[Sec[8/(8 Sqrt[2])]]/Degree to get Cos^-1 of 8/(8 Sqrt[2]) and it gives me 75 deg instead of 45...

I'm not sure what I'm doing wrong, I tried in Wolfram Alpha and it gives me the same thing.

Thank you.

-Francis



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