<span>1)sin(x-π/4)=0</span>
<span>x-pi/4 = pi*k , k - Z</span>
<span>x=</span>pi/4 +pi*k , k - Z
<span>2)tg4x=√3</span>
<span>4x=pi/3 + 2*pi*k, k - Z</span>
x=pi/12 * pi*k/2 , k - Z
<span>3)sinx(3x+π/3)=1</span>
<span>3x+pi/3=pi/2+2*pi*k , k - Z</span>
<span>x=pi/18+2*pi*k/3 , k - Z</span>
<span><span>4)cos3x=1/2</span></span>
<span><span>3x=+-pi/3+2*pi*k , k - Z</span></span>
<span><span>x=+-pi/9+2*pi*k/3 , k - Z</span></span>
<span><span><span>5)tg(x-π/6)=-√3</span></span></span>
<span><span><span>x-pi/6=-pi/3+2*pi*k , k - Z</span></span></span>
<span><span><span>x=-pi/6 + 2*pi*k , k - Z</span></span></span>