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

In in a triangle ABC , sides a,b,c are in A.P. then tan""A/2 tan""C/2

In in a triangle ABC , sides a,b,c are in A.P. then tan""A/2 tan""C/2

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

In a triangle A B C , if a, b, c are in A.P then tan (A)/(2), tan (B)/(2), tan (C)/(2) are in

If a,b,c are in A.P. then tan ""( A)/(2) tan "" ( C) /(2) =

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

In any triangle ABC, the value of (b+c) tan ""A/2 tan ""(B-C)/(2)+ (c+a) tan ""B/2 tan ""(C-A)/(2) + (a+b) tan ""C/2 tan ""(A-B)/(2) is-

In any triangle ABC, if tan (A/2), tan (B/2), tan (C/2) are in A.P., prove that, cosA, cosB, cosC are also in A.P.

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