In a triangle `ABC`, if `tan(A/2)tan(C/2)=(1)/(3)` and `ac=4` ,then the least value of `b` is (Notation have their usual meaning)

In a triangle ABC if tan.(A)/(2)tan.(B)/(2)=(1)/(3) and ab = 4, then the value of c can be

In any triangle ABC,1-tan((A)/(2))tan((B)/(2))=

In triangle ABC, If tan((A-B)/2)=3/11 and a/b=7/4 then the value of angle C is

in triangle ABC,tan A+tan B+tan C=

In triangle ABC, if cot A*cot C=(1)/(2)andcot B*cot C=(1)/(18) then the value of tan C is

In a Delta ABC ,if 3 tan (A/2) tan (C/2)=1 then a,b,c are in

In a triangle ABC, if b=(sqrt(3)-1)a and /_C=30^(@), then the value of (A-B) is equal to(All symbols used have usual meaning in a triangle..

In Delta ABC,1-tan((A)/(2))tan((B)/(2))=

If in a triangle ABC, b + c = 3a, then tan (B/2)tan(C/2) is equal to