Пересокращай и получится 7х=-7 , следует х=-1
Arcsin(-1)=-pí/2, arcsin1/2= pí/6
-pí/2+pí/6=-2pí/6=-pí/3
tg(-pí/3) = -odm. ze 3 = priblizitelno -1,732........
= 100^(1/3) * 2^(4/3) * 5^(-5/8) = 2^(1/3) * 2^(1/3) * 5^(1/3) * 5^(1/3) * 2^(4/3) * 5^(-5/8) = 2^(2) * 5^(1/24) = 4 * 5^(1/24).
(b-2)(b+2)
(10-a) (10+a)
(4+b)(4-b)
(a+0.5)(a-0.5)