Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In a Δ ABC; if 2 Δ = a 2 – (b – c) 2 then value of tan A =
A
– 
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
2 Δ = (a – b + c) (a + b – c)
2 Δ = 4(s – b) (s – c)
⇒ 2 = 
tan 
= 
∴ tan A = 
= 
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