(-2,5+2)/(-2,5×2)=-0,5/(-5)=0,1
Ответ В
tg a = sin a / cos a = 4/5 ÷ 3/5 = 4/3.
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(-2,5+2)/(-2,5×2)=-0,5/(-5)=0,1
Ответ В
tg a = sin a / cos a = 4/5 ÷ 3/5 = 4/3.