If `acos^(2).(C)/(2)+c"cos"^(2)(A)/(2)=(3b)/(2),` then show that a, b , c are in A.P

If in a triangle ABC, acos^(2).(C)/(2)+c cos^(2).(A)/(2)=(3b)/(2) , then the sides a, b, c :

If in a triangle ABC , acos^(2).(C)/(2)+cos^(2).(A)/(2)=(3b)/(2) , then the sides a,b,c

If in a triangle A B C ,acos^2(C/2)+ c cos^2(A/2)=(3b)/2, then the sides a ,b ,a n dc are in A.P. b. are in G.P. c. are in H.P. d. satisfy a+b=cdot

In /_ABC if 2c cos^(2)((A)/(2))+2a cos^(2)((C)/(2))-3b=0 prove that a b,c are in A.P.

In DeltaABC, acos^(2)C/2+ccos^(2)A/2=(3b)/(2) , then prove that the sides of DeltaABC , are in A.P.

In a triangle ABC if a cos^2(C/2)+c cos^2(A/2)=((3b)/2) show that sides of the trianglea are in A.P.

If a cos^(2)'C/2' + c cos^(2)'A/2' = (3b)/2 then show that the sides of the triangle are in A.P.

If in a triangle ABC,b cos^(2)(A)/(2)+acos^(2)(B)/(2)=(3)/(2)c, then a,c,b are: quad in A.P.b.in G.P.c.in H.P.d.none of these

In a Delta ABC, c cos^2 A/2+a cos^2C/2=(3b)/(2) then show a,b,c are in A.P