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یادگیری ریاضی

сообщение · 2025-01-06 07:38 UTC
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جای s بنویسید sin a جای c بنویسید cos a از اتحادها و روابط مثلثاتی برای ساده کردن استفاده کنید.

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A snapshot of an open public feed from the search index ChatCrawler — “Google for public Telegram”; refreshed as the venue is crawled. Times are UTC.

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