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arcticf0x

If the side and angle of a plane triangle ABC vary in such a way that the circumradius remains constant, then prove that:

  • 2 years ago
  • 2 years ago

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  1. arcticf0x
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    \[\delta a / \cos A + \delta b / \cos B + \delta c / \cos C = 0\] where da, db and dc are samll increments in sides a,b,c respectively.

    • 2 years ago
  2. arcticf0x
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    I guess not a good time to post it. RIP!

    • 2 years ago
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