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

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 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 a DeltaABC, If tan (A/2) , tan(B/2), tan (C/2) , are in H.P.,then a,b,c are in

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

In Delta ABC, if tan ""(A)/(2), tan""(B)/(2) , tan""(C)/(2) are in A.P. then cos A , cos B , cos C are in

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

In a Delta ABC , If tan\ A/2, tan\ B/2, tan\ C/2 are in A.P. then cos A, cos B, cos C are in

In a Delta ABC , If tan A/2, tan B/2, tan C/2 are in A.P. then cos A. cos B, cos C are in