\[\tan \alpha +2\tan 2\alpha +4\tan 4\alpha +8\cot \,8\alpha =\] [IIT – McqOptions

MCQOPTIONS

1.	\[\tan \alpha +2\tan 2\alpha +4\tan 4\alpha +8\cot \,8\alpha =\] [IIT 1988; MP PET 1991]
A.	\[\tan \alpha \]
B.	\[\tan 2\alpha \]
C.	\[\cot \,\alpha \]
D.	\[\cot \,2\alpha \]
Answer» D. \[\cot \,2\alpha \]

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