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The inequality 2cosx≤∣∣√1+sin2x−√1−sin2x∣∣≤√2 where x∈[0,2π] holds true in the interval [aπ2,bπ2]. Then the value of a+b is

Answer» The inequality 2cosx1+sin2x1sin2x2 where x[0,2π] holds true in the interval [aπ2,bπ2]. Then the value of a+b is


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