What is cot 2x cot 4x - cot 4x cot 6x - cot 6x cot 2x equal to – McqOptions

MCQOPTIONS

1.	What is cot 2x cot 4x - cot 4x cot 6x - cot 6x cot 2x equal to
A.	-1
B.	0
C.	1
D.	2
Answer» D. 2

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