1.

Assertion (A) : If Tan((pi)/(4)+ theta)+Tan ((pi)/(4)- theta)=k then Tan^(3)((pi)/(4)+ theta)+Tan^(3) ((pi)/(4)- theta)=k^(3)-3k Reason (R) : If A+B=(pi)/(2) then Tan A tan B=1

Answer»

A is TRUE, r is true and R is correct EXPLANATION for A
A is true, R is true and R is not correct explanation for A
A is true, R is false
A is false, R is true

Answer :B


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