При x=0 y=2
При x=-1 y=0
следовательно ответ Г
22 - 100%
x - 11%
x = 22×11/100 = 2,42
4х2+5х-6=0
а=4
b=5
c=-6
D=121
x1=-5+11/8=0.75
х2=-5-11/8=-2
<span>sin(</span>π<span>/2 -</span>α<span>)tg(-</span>α<span>)/cos(</span>π<span>/2+</span>α<span>) =(cos</span>α)*(-tgα)*(-sinα) = sin^2α