In a `Delta ABC tan ""A/2, tan ""B/2, tan ""C/2 ` are in H.P., then the vlaue iof `cot ""A/2 cot ""C/2` is :

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

In Delta ABC, (a+b+c)(tan""A/2+tan""B/2)tan""C/2=

In triangle ABC , "tan"(A)/(2),"tan"(B)/(2),"tan"(C)/(2) are in H.P ., then the value of "cot"(A)/(2)xx"cot"(C)/(2) is equal to

In Delta ABC , if tan A, tan B, tan C are in H.P., then a^2,b^2,c^2 are in

In Delta ABC, tan 2A+ tan 2B+ tan 2C=

In Delta ABC , tan "" (A)/(2) , tan "" (B)/(2) are in H.P. A,b,c are in

If ABC is a triangle and tan"" (A)/(2) , tan"" (B)/(2) , tan "" (C )/( 2) are in H.P. then the minimum value of cot"" (B)/(2) is equal to

In Delta ABC , If tan A , tan B , tan C are in H.P., then a^(2) , b^(2), c^(2) are in

if ABC is a triangle and tan(A/2), tan(B/2), tan(C/2) are in H.P. Then find the minimum value of cot(A/2)*cot(C/2)

In Delta ABC, if tan""A/2=t cot ((B-C)/2) , then t=