1.

Assertion (A) : tan (alpha - beta) + tan (beta - lambda) + tan (lambda - alpha) = tan (alpha - beta) tan (beta - lambda) tan (lambda - alpha) Reason (R ) : InDelta ABC sum tan A = pi tan A

Answer»

A is TRUE R is TURE and R is corect explanation of A
A is true, R is true and R is not correct explanation of A
A is true ,R is FALSE
A is false, R is true

Answer :B


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