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A trignometry problem

Find all \(x\) in \( [0,2\pi] \), such that

\[ 2 \cos(x) \leq \sqrt{1+\sin(2x)} - \sqrt{1 - \sin(2x)} \leq \sqrt2. \]

Note by Aditya Dev
1 year ago

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the answer given is [π/4,7π/4] Aditya Dev · 1 year ago

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