The word(s) "ta-sin" appears 3 time(s) in 3 verse(s) in Quran in Mohsin Khan translation.

(1) ta-sin-Mim. [These letters are one of the miracles of the Qur'an, and none but Allah (Alone) knows their meanings.]

(سورة الشعراء, Ash-Shu'araa, Chapter #26, Verse #1)
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(2) ta-sin. [These letters are one of the miracles of the Qur'an, and none but Allah (Alone) knows their meanings]. These are the Verses of the Qur'an, and (it is) a Book (that makes things) clear:

(سورة النمل, An-Naml, Chapter #27, Verse #1)
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(3) ta-sin-Mim [These letters are one of the miracles of the Qur'an, and none but Allah (Alone) knows their meanings].

(سورة القصص, Al-Qasas, Chapter #28, Verse #1)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)