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गुणन cos 12^(@) cot 14^(@) cot 46^(@) co...

गुणन `cos 12^(@) cot 14^(@) cot 46^(@) cos 48^(@) cot 48^(@) cos 72^(@) cot 74^(@) sin 162^(@)` का मान `(m)/(n)` है, जहाँ m एवं n सहअभाज्य है, तो (n - 12m) का मान ज्ञात कीजिए |

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