1.

A :tan theta + 2 tan 2 theta + 4 tan 4 theta + 8 tan 8 theta - 16 cot 6 theta = cot theta R :cot alpha - tan alpha = 2 cot 2 alpha

Answer»

A is true , R is true and R is CORRECT explanation of A
A is true , R is trueand R is not correct explanation of A
A is true , R is FALSE
A is false , R is true

ANSWER :A


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