If √[(1 - cosA)/2] = x, then the value of x is – McqOptions

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1.	If √[(1 - cosA)/2] = x, then the value of x is
A.	cos(A/2)
B.	tan(A/2)
C.	sin(A/2)
D.	cot(A/2)
Answer» D. cot(A/2)

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