Home
Class 11
MATHS
With usual notations, prove that in a tr...

With usual notations, prove that in a triangle ABC `cotA+cotB+cotC=(a^2+b^2+c^2)/(4Delta)`

Promotional Banner

Similar Questions

Explore conceptually related problems

With usual notations,prove that in a triangle ABC cot A+cot B+cot C=(a^(2)+b^(2)+c^(2))/(4Delta)

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

Prove that cotA+cotB+cotC=(a^2+b^2+c^2)/(4Delta)

In Delta ABC prove that cotA + cotB + cotC = (a^2 + b^2 + c^2)/(4Delta)

In a DeltaABC prove that cotA+cotB+cotC=(a^(2)+b^(2)+c^(2))/(4Delta)

Cosine formula: With usual notations in any triangle ABC Prove that : cos A= (b^(2)+c^(2)-a^(2))/(2bc) .

In any triangle ABC prove that a^2cotA+b^2cotB+c^2cotC=(abc)/R

Prove that the triangle ABC is equilateral if cotA+cotB+cotC=sqrt3

Prove that the triangle ABC is equilateral if cotA+cotB+cotC=sqrt3

Prove that the triangle ABC is equilateral if cotA+cotB+cotC=sqrt3