If θ is a positive acute angle and 4 cos²θ-4 cosθ+1=0,then the val – McqOptions

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1.	If θ is a positive acute angle and 4 cos²θ-4 cosθ+1=0,then the value of tan (θ - 15°) is equal to
A.	0
B.	1
C.	√3
D.	1/√3
Answer» C. √3

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