Published by:
CGP EDU Academic Team
Published on: August 11, 2026
In any triangle ABC, a cot A + b cot B + c cot C =
Text Solution
Verified by ExpertsThe correct answer is:
C
a cot A + b cot B + c cot C
then the triangle be equilateral then
a = b = c = x and A = B = C = 60°
∴ a cot A + b cot B + c cot C
= 3x cot 60°= 
x
by option 2 (r + R)
= 2(r + 2r) = 6r
= 
= 
= 
x
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