, 10140; -, 100 . ..

" ", "" " ". .
18.03.2013

LiveJournal Vkontakte Facebook Twitter

1...2 

cos3x = -1/2.

: x = ±2π/9 + 2πn/3, nZ.


sin 2x

3

= 0.

: x = 3πn/2, nZ.


cos(4 - 3x) = 0.

: x = (4 - π/2 - πn)/3, nZ.


3 + tg(πx/5) = 0, x ∈ (1; 7).

: x = 10/3.


tg(πx/10) - 1 = 0, x ∈ (2; 6).

: x = 5/2.


3sin2x = 3.

: .


1...2 
2009-2012 . " - !" - , . .
Rambler's Top100