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In Delta ABC;(b-c)cotA/2+(c-a)cotB/2+(a-...

In `Delta ABC;(b-c)cotA/2+(c-a)cotB/2+(a-b)cotC/2`

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In DeltaABC , (b-c)cotA/2+(c-a)cotB/2+(a-b)cotC/2=?

In DeltaABC , (b-c)cotA/2+(c-a)cotB/2+(a-b)cotC/2=?

In Delta ABC prove that (b+c-a)(cotB/2 + cot C/2) = 2a cotA/2

In Delta ABC prove that (b^2-c^2)cotA + (c^2-a^2)cotB + (a^2-b^2)cotC = 0

In DeltaABC,(cot(A//2)+cot(B//2)+cot(C//2))/(cotA+cotB+cotC)=

In any /_\ A B C , prove that (b^2-c^2)cotA+(c^2-a^2)cotB+(c^a-b^2)cotC=0

In any /_\ A B C , prove that (b^2-c^2)cotA+(c^2-a^2)cotB+(c^a-b^2)cotC=0

In a Delta A B C , prove that: (b^2-c^2)cotA+(c^2-a^2)cot B+(a^2-b^2)cotC=0

In any /_\ A B C , prove that (b^2-c^2)cotA+(c^2-a^2)cotB+(c^2-b^2)cotC=0

For any triangle ABC, prove that (b^2 - c^2) cotA + (c^2 - a^2) cotB + (a^2 - b^2) cotC = 0