In DeltaABC, (b^2-c^2) cotA +(c^2-a^2) c...

In `DeltaABC, (b^2-c^2) cotA +(c^2-a^2) cotB+ (a^2-b^2)cotC=`

A

0

B

`a^2+b^2+c^2`

C

`2(a^2+b^2+c^2)`

D

`1/(2abc)`

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

In any DeltaABC , prove that (b^(2)-c^(2))cotA+(c^(2)+a^(2))cotB+(a^(2)-b^(2))cotC=0 .

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

In a DeltaABC , (b^(2)-c^(2))/(asecA)+(c^(2)-a^(2))/(bsecB)+(a^(2)-b^(2))/(csecC)=

In a DeltaABC, (c^(2)+a^(2)-b^(2))tanB+(a^(2)+b^(2)-c^(2))tanC=

In Delta ABC, a ^(2) + c^(2)= 2002 b ^(2) then (cotB)/(cot A + cotC) is equal to "________"

In a DeltaABC (bsin(C-A))/(c^(2)-a^(2))+(csin(A-B))/(a^(2)-b^(2))=

In any DeltaABC , prove that (c^(2)-a^(2)+b^(2))tanA=(a^(2)-b^(2)+c^(2))tanB=(b^(2)-c^(2)+a^(2))tanC

In DeltaABC, " if " b^(2) + c^(2) = 2a^(2) , then value of (cotA)/(cot B + cot C) is

In DeltaABC , prove that: (b^(2)-c^(2)+a^(2))tanC=(b^(2)+c^(2)-a^(2))tanA