If in a triangle `A B C ,acos^2(C/2)ccos^2(A/2)=(3b)/2,`then the sides – InterviewSolution

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1.	If in a triangle `A B C ,acos^2(C/2)ccos^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`A. A.PB. G.PC. H.P.D. A.G.P.
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