If √[(1 + cosA)/2] = x, then find the value of x. – McqOptions

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

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