COS funksiyasi

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       "content": "\nCOS — berilgan burchakning kosinusini qaytaradi.\n\n== Format ==\nCOS(number)\n\n== Muhim ==\nAgar burchak darajada berilgan bo‘lsa, uni radianga aylantirish uchun RADIANS() funksiyasidan foydalaning.\n\n== Misol ==\n{| class=\"wikitable\"\n|-\n! style=\"font-weight: bold\" | Formula\n! style=\"font-weight: bold\" | Izoh\n! style=\"font-weight: bold\" | Natija\n|-\n|COS(1.047)\n|1.047 radiandagi kosinus\n|0.5001711\n|-\n|COS(RADIANS(60))\n|60 darajadagi kosinus\n|0.5\n|}\n\n\n== O‘tish ==\nStandart funksiyalar",
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