Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Let 
, where 
are angles of a triangle 
. If the lengths of the sides opposite these angles are 
respectively, then:
A
B
are in A.P.
C
are in A.P.
D
are in A.P.
Text Solution
Verified by ExpertsThe correct answer is:
B
As 
are angles of triangle
So, 
Similarly 
From and
By sine rule
and 
are in A.P.
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