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In a cyclic quadrilateral ABCD, AB = a, BC = b, CD = c, DA = d. Prove that (s-b)tan(A/2) = (s-d)tan(B/2)

In a cyclic quadrilateral ABCD, AB = a, BC = b, CD = c, DA = d. Prove that
(s-b)tan(A/2) = (s-d)tan(B/2)
 

Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
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