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Grade 12th passAlgebra

  1. ABC is a triangle and D is the middle point of BC if AD is perpendiculars to AC, prove that
Cos A .Cos C = 2 (c2 – a2)
3ac

Profile image of soyabsayyed
10 Years agoGrade 12th pass
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1 Answer

Profile image of Saurabh Koranglekar
7 Years ago
Dear student

Consider an equilateral triangle LHS != RHS

Please repost with correct question

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