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MathGroup Archive 1995

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Q: ArcTan[ Tan[ x ] ] = x

  • To: mathgroup at christensen.cybernetics.net
  • Subject: [mg1954] Q: ArcTan[ Tan[ x ] ] = x
  • From: elsner at avalon.msfc.nasa.gov (Ron Elsner)
  • Date: Sat, 26 Aug 1995 00:10:18 -0400
  • Organization: NASA/MSFC

Suppose I really want Mma to set ArcTan[ Tan[ x ] ] = x, or 
ArcSin[ Sin[ x ] ] = x.  How do I do this?

Ron Elsner
ES84
NASA MSFC
Huntsville, AL 35812
elsner at avalon.msfc.nasa.gov



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