Question

1) sin(x+пи/4)=-1

2) tg3x= -корень из 3/ 3

Answer 1

1) $x+pi/4=-pi/2+2pi k, kinmathbf{Z}$

$x=-3pi/4+2pi k, kinmathbf{Z}$

 

2) $3x=-pi/6+pi k, kinmathbf{Z}$

$x=-pi/18+pi k/3, kinmathbf{Z}$