kasieeeee
kasieeeee
02-02-2018
Mathematics
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Help!!!!! I have 5 min to finish this
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Аноним
Аноним
02-02-2018
sin O = 1 / csc O = 2/9
cos O = sqrt (1 - (2/9)^2) = sqrt 77/81 = sqrt77 / 9
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