jak obliczyc arctg (-8,28/-7,12)
prosze o pomoc:(((
arctg ( -8,28 / - 7,12) = arctg 1,1629 = 49 st 11' = 0,8584 radianów
49 st 11' - odczytałem z tablic tangensów
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arctg ( -8,28 / - 7,12) = arctg 1,1629 = 49 st 11' = 0,8584 radianów
49 st 11' - odczytałem z tablic tangensów