If cot2A = x, then x is – McqOptions

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1.	If cot2A = x, then x is
A.	2cotA/(cot2AÂ -ÂÂ 1)
B.	(cot2AÂ -ÂÂ 1)/2cotA
C.	(cot2AÂ +Â 1)/2cotA
D.	2cotA/(1Â -ÂÂ cot2A)
Answer» C. (cot2AÂ +Â 1)/2cotA

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