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.	âˆš[(1 + cosA)/(1 -Â cosA)]
B.	cosecA -Â cotA
C.	âˆš[(1 -Â cosA)/2]
D.	âˆš[(1 + cosA)/2]
Answer» B. cosecA -Â cotA

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