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.	sin(A/2)
B.	âˆšsin(A/2)
C.	âˆšcos(A/2)
D.	cos2(A/2)
Answer» E.

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