UPSC CDS 1 2021 Math Paper

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Question : 7 of 100

Marks: +1, -0

If sin‌θ‌cos‌θ=k, where 0≤θ≤

π

2

, then which of the following is correct?

0 ≤ k ≤ 1
0 ≤ k ≤ 0.5 only
0.5 ≤ k ≤ 1 only
0 < k < 1

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