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

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

In any Delta ABC , If cot ""A/2 , cot ""B/2 ,cot ""C/2 are in AP, then a,b,c are in (A) A.P, (b)G.P., (c)H.P., (d)NONE OF THESE

In any Delta ABC , If cot ""A/2 , cot ""B/2 ,cot ""C/2 are in AP, then a,b,c are in (a) AP (b) GP (c) HP (d) None of these

In any Delta ABC , cot(A/2),cot(B/2),cot(C/2) are in A.P. , then

In any !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 cot""A/2:cot""B/2:cot""C/2=3:7:9 , then a:b:c=

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

In triangle ABC, if cot A,cot B,cot C are in A.P.,then a^(2),b^(2),c^(2) are in progression.

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