TS EAMCET 19-July-2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 8 of 160

Marks: +1, -0

If −i and α are the roots of the equation iz2−2(i+1)z+(2−i)=0,tan‌θ=‌

−1

2

and θ∈4‌th ‌ quadrant, then 53‌cos‌6‌θ=

-117
-44
117
44

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