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If in a triangle ABC: Cos A + Cos B + Cos C = 3/2 then what is so special about this triangle?

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If in a triangle ABC:
Cos A + Cos B + Cos C = 3/2
then what is so special about this triangle?

posted Jul 23, 2016 by anonymous

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1 Answer

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special about this triangle is that may be it's equilateral triangle , i.e cos60+cos60+cos60=3/2

answer Jul 24, 2016 by Shahsikant Dwivedi
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