Home
Class 12
MATHS
[" 15."a^(2)cot A+b^(2)cot B+c^(2)cot C=...

[" 15."a^(2)cot A+b^(2)cot B+c^(2)cot C=],[[" 1) "Delta," 2) "2Delta," 3) "3Delta," 4) "4Delta]]

Promotional Banner

Similar Questions

Explore conceptually related problems

r^(2) cot ""(A)/(2) cot ""(B)/(2) cot ""(C)/(2)

A+B+C=(pi)/(2)rArr cot A+cot B+cot C=

r("cot"(A)/(2)"cot"(B)/(2)"cot"(C)/(2))=

r ( cot "" ( B) /(2) + cot "" ( C) /(2)) =

cot((A)/(2))+cot((B)/(2))+cot((C)/(2))=

Delta ABC;(b-c)(cot A)/(2)+(c-a)(cot B)/(2)+(a-b)(cot C)/(2)

If 2 cot ""( B)/(2) = cot "" (A) /( 2) + cot "" ( C )/(2) then a,b,c are in

( cot ""(A)/(2) + cot ""(B)/(2)+ cot ""( C )/( 2))/( cot A + cot B + cot C ) =

(xii) (b+c-a)(cot 'B/2' + cot 'C/2') = 2a cot 'A/2