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Jukka Kohonen
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There is a nicelively site which publishes research questions, some of which essentially involve spherical geometry and trigonometry. Recent examples include:

There is a nice site which publishes research questions, some of which essentially involve spherical geometry and trigonometry. Recent examples include:

There is a lively site which publishes research questions, some of which essentially involve spherical geometry and trigonometry. Recent examples include:

Source Link
Jukka Kohonen
  • 4.2k
  • 2
  • 21
  • 49

There is a nice site which publishes research questions, some of which essentially involve spherical geometry and trigonometry. Recent examples include: