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UPSC CDS 2 2023 Math Paper

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Question : 29

Total: 100

How many values of θ will satisfy the equation (sin2 θ - 4 sin θ + 3) (4 - cos2 θ + 4 sin θ) = 0, where 0 < θ < ‌

?

None
Only one
Onle two
Only three

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