If cot A = [sin B/(1 – cos B)], then what is the value of cot 2A? – McqOptions

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1.	If cot A = [sin B/(1 – cos B)], then what is the value of cot 2A?
A.	cot(B/2)
B.	cot 2B
C.	cot B
D.	tan B
Answer» D. tan B

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