If cot(A/2) = x, then the value of x is? – McqOptions

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1.	If cot(A/2) = x, then the value of x is?
A.	√[(1 + cosA)/(1 - cosA)]
B.	cosecA - cotA
C.	√[(1 - cosA)/2]
D.	√[(1 + cosA)/2]
Answer» B. cosecA - cotA

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