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Project ID:
1003085909
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Riešením nerovnice \( |\mathrm{tg}\,x| < 1 \) pre \( x\in\left(-\frac{\pi}2;\frac{\pi}2\right) \) je:
\( \left( -\frac{\pi}4;\frac{\pi}4 \right) \)
\( \left( -\frac{\pi}2;\frac{\pi}2 \right) \)
\( \left( 0;\frac{\pi}4 \right) \)
\( \left( -\frac{\pi}2;-\frac{\pi}4 \right) \)