29) Prove that cotA+cotB+cotC= a²+b²+c²/4delta || Properties of Triangle

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With usual notations, prove that in a triangle ABC `cotA+cotB+cotC=(a^2+b^2+c^2)/(4Delta)` With usual notations, prove that in a triangle ABC `cotA+cotB+cotC=(a^2+b^2+c^2)/(4Delta)`
CotA+CotB+CotC=(a²+b²+c²)/4∆ ||properties of Triangles|| CotA+CotB+CotC=(a²+b²+c²)/4∆ ||properties of Triangles||
Trigonometry Formula | CotA CotB CotC for Any Triangle ABC | Proof of Cotangent | AMBPi73 Trigonometry Formula | CotA CotB CotC for Any Triangle ABC | Proof of Cotangent | AMBPi73
`4Delta (cot A+cot B+cot C)=a^2+b^2+c^2 ` `4Delta (cot A+cot B+cot C)=a^2+b^2+c^2 `
Prove formula of Cot (A + B) #maths #mathstricks #coaching #education #trignometry #cot Prove formula of Cot (A + B) #maths #mathstricks #coaching #education #trignometry #cot
4#Properties_Of_Triangles Show that Cot A + Cot B + Cot C = a² + b² + c² / 4Δ 4#Properties_Of_Triangles Show that Cot A + Cot B + Cot C = a² + b² + c² / 4Δ
2025 COMC C3 | Step-by-Step Solution 2025 COMC C3 | Step-by-Step Solution
Prove that (b² - c²) cot A + (c² - a²) cot B + (a² - b² ) cot C = 0 Prove that (b² - c²) cot A + (c² - a²) cot B + (a² - b² ) cot C = 0