Published by:
CGP EDU Academic Team
Published on: August 12, 2026
In a triangle ABC, if A, B, C are in A.P. and b : c = 
: 
, then -
Text Solution
Verified by ExpertsThe correct answer is:
A
A, B, C are in A. P. ⇒ B = 60 0 .
⇒ 
= 
⇒ sin C = 
sin B = 
= 
⇒ C = 45 0 and A = 75 0
Hence sin (2C – A) = sin 15 0 = sin B/4
and other relations are not true.
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