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14.07.2019 •
Mathematics
Cosa.coseca=cota can you me with this
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Ответ:
CscA = 1/sinA
CosACscA = cosA × 1/sinA = cosA/SinA = cotA
Ответ:
x = [-12 +- sq root (144 - 4*-10*-9)] / -20
x = [-12 +- sq root (144 -360)] / -20
x1 = 3/5 + (14.7 i / -20)
x2 = 3/5 - (14.7 i / -20
Hope this helps!!