Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The value of tan 3A – tan 2A – tan A is equal to
Text Solution
Verified by ExpertsThe correct answer is:
A
3A = 2A + A ⇒ tan3A = tan(2A + A) ⇒ tan3A = 
⇒ tan3A – tanA tan 2A tan3A = tan2A + tanA
⇒ tan3A – tan2A – tanA = tanA tan2A tan 3A
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