3,2ab2
(3,2ab2)2=10,24a2b4=10,24*0,25*625=1600
6)x=0
5)x1=-8, x2=1
4)x1=0, x2=1,5
2)нет действительных корней
1)x1=4, x2=1целая 5/6
A) 0.0434782609
b)0.0381042569
sin3π = 0
cos3π = -1
tg3π = 0
ctg3π не существует
<span>sin(-4π) = 0</span>
<span>cos(<span>-4π) = 1</span></span>
<span><span>tg(<span>-4π) = 0</span></span></span>
<span><span><span>ctg(<span>-4π) не существует</span></span></span></span>
<span><span><span><span>sin(-π/2) = -1</span></span></span></span>
<span><span><span><span>cos(-π/2) = 0</span></span></span></span>
<span><span><span><span>tg(-π/2) не существyет</span></span></span></span>
ctg(-π/2) = 0
sin(5π/2) = 1
cos(5π/2) = 0
tg(5π/2) не существует
cos(5π/2) = 0
sin(-5π/6) = -1/2
cos(-5π/6) = -√3/2
tg(-5π/6) = 1/√3
ctg(-5π/6) = √3
sin(3π/4) = √2/2
cos(3π/4) = - √2/2
tg(3π/4) = -1
ctg(3π/4) = -1
800*30/100=240 р - скидка на 8-й день
800-240=560 р - цена товара на 8-й день после поступления в продажу