TS EAMCET 5-Aug-2021 Shift 1 Question Paper

Section: Mathematics

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Question : 24 of 160

Marks: +1, -0

If 6‌cos‌2‌θ+2cos2(

θ

2

)+2sin2θ = 0, −π<θ<π, then θ =

π
3
π
3
, Cos−1(
3
5
)
Cos−1(
3
5
)
±
π
3
,±(π−Cos−1
3
5
)

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