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Mathematics, 24.03.2020 06:25 liluv6650
If\:0\:\le \:\theta \:<\:2\pi \:\:and\:-8\cos \:^2\theta \:+7=1
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If\:0\:\le \:\theta \:<\:2\pi \:\:and\:-8\cos \:^2\theta \:+7=1...
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