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
2^3㏒₈3 =2^3㏒₂³ 3=2^3 * 1/3㏒₂ 3=2^㏒₂ 3 =3
3х-1/6х-3 - 1/1-4х^2=х/2х+1
3х-1/6х-3 - 1/1-4х^2 - х/2х+1=0
2/3(-2х+1)=0
2=0
Решений нет