olymmath

HMMT November 2013 U15

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Find all real numbers xx between 0 and 360 such that 3cos⁡10∘=cos⁡40∘+sin⁡x∘\sqrt{3} \cos 10^{\circ}=\cos 40^{\circ}+\sin x^{\circ}.

Dataset text NuminaMath olympiads. Quoted with source.

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