The set of angles between 0 & 2π satisfying the equation 4cos^2\theta - 2\sqrt2 \cos \theta - 1 = 0 is

Correct Answer is : {π/12, 7π/12, 17π/12, 23π/12}

{π/12, 5π/12, 19π/12, 23π/12}

{π/12, 7π/12, 17π/12, 23π/12}

{π/12, 7π/12, 19π/12, 23π/12}

UPSEE Solved Model Paper 7

Question : 142 of 150

Marks: +1, -0

The set of angles between 0 & 2π satisfying the equation 4cos2θ−2√2cosθ−1 = 0 is

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