In `Delta ABC,if 3a=b+c`, then `cot""B/2.cot""C/2`=

In Delta ABC, if s=2b then cot""A/2 cot ""C/2 =

In a !ABC , if 3a = b + c , then cot B/2 cot C/2 =

In a triangle ABC , if 3a = b + c , then cot B/2 cot C/2 =

In Delta ABC, if cot""A/2: cot""B/2:cot ""C/2=1:4:15 , then the greatest angle of the triangle is

If, in Delta ABC, 3a = b + c then: cot (B/2) cdot cot (C/2) = .....

In Delta ABC, if cot""A/2:cot""B/2:cot""C/2=3:7:9 , then a:b:c=

In /_ABC, if 3a=b+c, then cot((B)/(2))cot((C)/(2))=

In Delta ABC, if cot""A/2,cot""B/2,cot""C/2 are in A.P. then a,b,c are In

In Delta ABC , if a=3 , b=4,c=6 then ("cot" (A)/(2)+"cot" (B)/(2)+ "cot" ( C)/(2))/("cot" A + "cot" B + "cot" C)=

In any Delta ABC , If cot ""A/2 , cot ""B/2 ,cot ""C/2 are in AP, then a,b,c are in