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Conditional Identities- JEE Main and Advanced (in Hindi)
sir in the last example we have to prove that tan2a+tan2b+tan2c=tana.tanb.tanc. than without any given statement how can you say a+b+c is a multiple of π
Vineet Loomba
a year ago
bcz tan A + Tan b + tan C = tanA tanB TanC