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arcticf0x

  • 4 years ago

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

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

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