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Trigonometryhard
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Determine the value of sin⁡2(11∘)+sin⁡2(79∘)−tan⁡(40∘)tan⁡(50∘)\sin^2(11^\circ) + \sin^2(79^\circ) - \tan(40^\circ)\tan(50^\circ)sin2(11∘)+sin2(79∘)−tan(40∘)tan(50∘).