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प्रश्न
Choose the correct alternative:
If f(θ) = |sin θ| + |cos θ| , θ ∈ R, then f(θ) is in the interval
पर्याय
[0, 2]
`[1, sqrt(2)]`
[1, 2]
[0, 1]
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उत्तर
`[1, sqrt(2)]`
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