Consider a Triangle ABC Satisfying :

For the next two (A & B) items that follow:
Consider a triangle ABC satisfying
2a sin2(C/2) + 2c sin2 (A/2) = 2a +2c-3b

A. The sides of triangle are in

  1. G.P
  2. A.P
  3. H.P
  4. Neither in G.P nor in A.P nor in H.P

B. Sin A, sin B, sin c, are in

  1.  G.P
  2. A.P
  3. H.P
  4. Neither in G.P nor A.P nor in H.P
Anurag Mishra Professor Asked on 30th September 2015 in Maths.
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  • 1 Answer(s)

    A. Answer: (2) A. P. 

    Anurag Mishra Professor Answered on 14th July 2016.
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