Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If in a triangle ABC, b cos 2 
+ a cos 2 
= 
c, then a, c, b are :
Text Solution
Verified by ExpertsThe correct answer is:
A
b cos 2 
+ a cos 2 
= 
c. ⇒ b 
+ a 
= 
c.
⇒ 
[s – a + s – b] = 
c ⇒ 
× c = 
c ⇒ 
= 
⇒ a + b = 2c
⇒ a, c, b are in A.P
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