Решите неравенство
[tex]2sin^{2} x + \sin(2x) - 4\cos ^{2} (x) > 0[/tex]
2sin^2x+sin2x-4cos^2x>0
[tex]2sin^{2} x + \sin(2x) - 4\cos ^{2} (x) > 0[/tex]
2sin^2x+sin2x-4cos^2x>0
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