Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the sides a, b, c of a triangle are in A.P., then find the value of tan 
+ tan 
in terms of
cot (B/2).
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
cot 
Sol. 2b = a + c ...(i)
tan 
+ tan 
= 
+ 
= 
= 
= 
= 
cot 
= 
cot 
.
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