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Revision history of "2020 INMO Problems/Problem 2"

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  • (cur | prev) 12:02, 5 November 2020‎ Ftheftics (talk | contribs)‎ . . (2,244 bytes) (+2,244)‎ . . (Created page with "==PROBLEM== Suppose <math>P(x)</math> is a polynomial with real coefficients, satisfying the condition <math>P(\cos \theta+\sin \theta)=P(\cos \theta-\sin \theta)</math>, for...")
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