In any triangle ABC, prove that, (b^(2)-c^(2))cot A + (c^(2)-a^(2)) cot B + (a^(2)-b^(2)) cot C=...

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

Show that in a triangle ABC, cot(A/2) + cot(B/2) + cot(C/2) = cot(A/2)*cot(B/2)*cot(C/2)

🙇‍♂️Prove Tan (c+a)/2=Cot(b/2) where A, B, C are angles of Triangle ABC 🔺🔤 #techno_mathics

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`

If `a^2,b^2,c^2` are in A.P., prove that `cotA ,cotB ,cotC` are in `AdotPdot`

With usual notations prove that in a triangle ABC, `cot(A/2)+cot(B/2)+cot(C/2)=s^2/Delta`

If A, B, C are the interior angles of a triangle, prove that tan(B+C/2) = cot A/2

PROVE THAT tan(B-C)/2) = [(b-c)(b+c)]cot(A/2)