IfÂ cotÎ±Â =Â 2Â +Â 1, then the value ofÂ tanÎ±Â -Â – McqOptions

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1.	IfÂ cotÎ±Â =Â 2Â +Â 1, then the value ofÂ tanÎ±Â -Â cotÎ±Â =Â ?_x005F_x000D_
A.	âˆš2Â - 1
B.	1 - âˆš2
C.	-2
D.	2âˆš2
Answer» D. 2âˆš2

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