Определить знак sin 205 * cos 275 / tg 200 * ctg 105

Question

Математика: Определить знак sin 205 * cos 275 / tg 200 * ctg 105

rival6 · Accepted Answer

А) 1 - 3/4 = 4/4 - 3/4 = 1/4 б) 2 - 5/6 = 12/6 - 5/6 = 7/6 = 1 1/6 в) 9 - 11/12 = 108/12 - 11/12 = 97/12 = 8 1/12 г) 7 - 1 7/8 = 6 8/8 - 1 7/8 = 5 1/8 д) 5 - 2 2/5 = 4 5/5 - 2 2/5 = 2 3/5 е) 6 - 5 5/8 = 5 8/8 - 5 5/8 = 3/8 ж) 8 3/11 - 4 = 8 3/11 - 3 11/11 = 7 14/11 - 3 11/11 = 4 3/11 з) 5 7/15 - 3/10 = 5 14/30 - 9/30 = 5 5/30 = 5 1/6 и) 1 5/12 - 9/10 = 1 25/60 - 54/60 = 85/60 - 54/60 = 31/60 к) 6 3/10 - 11/15 = 6 9/30 - 22/30 = 189/30 - 22/30 = 167/30 = 5 17/30 л) 5 7/8 - 9/10 = 5 35/40 - 36/40...

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