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Upravte (zjednodušte) výraz: cos 2x + sin 2x * tgx
Dobrý večer, na fyzike preberáme zobrazovanie spojkou, kedy je predmet zmenšený, zväčšený a rovnako veľký, avšak nerozumiem ako mám umiestniť akokeby tú sviečku v týchto vzdialenostiach, máme si…
Prosím pomôcť zo slovnými úlohami. A ďakujem 🙏
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