Y = 20 ° 47 ' 34 " , 9 2 a = 64 ° 54 ' 42 " B = 107 ° 59 ' 46 " y = 41 ° 35 ' 10 " 0 Probe . lg sina = 9,97870–10 Ig sin B = 9.97822-10 9,95692-10 Probe ...
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